Home / 29,265.70-40,387.18-16,521.43

Finding the Fourth Proportional to 29,265.70, 40,387.18 and 16,521.43

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Solution

The fourth proportional to 29,265.70, 40,387.18 and 16,521.43 is: 22,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.70 : 40,387.18 = 16,521.43 : x
  2. Step 2: Convert to fraction form
    29,265.70/40,387.18 = 16,521.43/x
  3. Step 3: Cross multiply
    29,265.70x = 40,387.18 × 16,521.43
  4. Step 4: Simplify right side
    29,265.70x = 667,253,967.27
  5. Step 5: Solve for x
    x = 667,253,967.27/29,265.70
  6. Step 6: Final answer
    x = 22,799.86

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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.