Finding the Fourth Proportional to 14,790.38, 20,410.62 and 8,076
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Solution
The fourth proportional to 14,790.38, 20,410.62 and 8,076 is: 11,144.82
Step by Step Solution
- Step 1: Write the proportion equation
14,790.38 : 20,410.62 = 8,076 : x - Step 2: Convert to fraction form
14,790.38/20,410.62 = 8,076/x - Step 3: Cross multiply
14,790.38x = 20,410.62 × 8,076 - Step 4: Simplify right side
14,790.38x = 164,836,126.74 - Step 5: Solve for x
x = 164,836,126.74/14,790.38 - Step 6: Final answer
x = 11,144.82
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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.