Home / 26,431.43-36,456.39-16,356.65

Finding the Fourth Proportional to 26,431.43, 36,456.39 and 16,356.65

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Solution

The fourth proportional to 26,431.43, 36,456.39 and 16,356.65 is: 22,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.43 : 36,456.39 = 16,356.65 : x
  2. Step 2: Convert to fraction form
    26,431.43/36,456.39 = 16,356.65/x
  3. Step 3: Cross multiply
    26,431.43x = 36,456.39 × 16,356.65
  4. Step 4: Simplify right side
    26,431.43x = 596,304,229.21
  5. Step 5: Solve for x
    x = 596,304,229.21/26,431.43
  6. Step 6: Final answer
    x = 22,560.43

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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.