Answer:
[tex]\text{16.57 dollars}[/tex]
Step-by-step explanation:
A proportion is needed to find the value of x
[tex]$\frac{22.50}{19} =\frac{x}{14}\Longrightarrow 19x = 315 \Longrightarrow x = 16.57$ \\ \\ \text{It would cost 16.57 dollars to purchase 14 gallons.}[/tex]