Finding the Fourth Proportional to 19,374.22, 26,749.26 and 14,889.70
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Solution
The fourth proportional to 19,374.22, 26,749.26 and 14,889.70 is: 20,557.65
Step by Step Solution
- Step 1: Write the proportion equation
19,374.22 : 26,749.26 = 14,889.70 : x - Step 2: Convert to fraction form
19,374.22/26,749.26 = 14,889.70/x - Step 3: Cross multiply
19,374.22x = 26,749.26 × 14,889.70 - Step 4: Simplify right side
19,374.22x = 398,288,456.62 - Step 5: Solve for x
x = 398,288,456.62/19,374.22 - Step 6: Final answer
x = 20,557.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.