To find a percent equivalent to 15300, we first need to establish a whole value to compare it against, which you have not provided. However, if you are looking to convert 15300 into a percentage of some value, you can use the following formula:
\[ \text{Percent} = \left(\frac{\text{Part}}{\text{Whole}}\right) \times 100 \]
Without a specified whole (denominator), I cannot determine which of these percentages (45%, 15%, 5%, or 20%) is equivalent to 15300. Please provide a whole number to compare against, and I'd be happy to calculate the equivalent percent for you!