The greatest common fact is 6.
18 ÷ 6 = 3
24 ÷ 6 = 4
In simplest form, 18/24 = 3/4
3.14 x 9^2 x 14/3 = 1186.92
4/3 x 3.14 x 9^3 = 1526.04
1186.92 + 1526.04 = 2712.96 = 2713 cubic inches
It is proportional because we increase y.
The value of x would be 7
