Home / 25,114.73-34,655.80-15,042.91

Finding the Fourth Proportional to 25,114.73, 34,655.80 and 15,042.91

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Solution

The fourth proportional to 25,114.73, 34,655.80 and 15,042.91 is: 20,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,114.73 : 34,655.80 = 15,042.91 : x
  2. Step 2: Convert to fraction form
    25,114.73/34,655.80 = 15,042.91/x
  3. Step 3: Cross multiply
    25,114.73x = 34,655.80 × 15,042.91
  4. Step 4: Simplify right side
    25,114.73x = 521,324,080.38
  5. Step 5: Solve for x
    x = 521,324,080.38/25,114.73
  6. Step 6: Final answer
    x = 20,757.70

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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.