using ratios
4'" = 4.75'
4.75 : 6 = x : 19
4.75/6 = x/19
cross multiply
90.25 = 6x
x = 15.04167
x = 15
check my math, it's late for me
If the boy is 4' 9" tall and his shadow is 6 ft. and the shadow of the flagpole is 19 ft., determine the height of the flagpole (to the nearest tenth).
1 answer