Home / 22,753.46-31,398.90-12,681.41

Finding the Fourth Proportional to 22,753.46, 31,398.90 and 12,681.41

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Solution

The fourth proportional to 22,753.46, 31,398.90 and 12,681.41 is: 17,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,753.46 : 31,398.90 = 12,681.41 : x
  2. Step 2: Convert to fraction form
    22,753.46/31,398.90 = 12,681.41/x
  3. Step 3: Cross multiply
    22,753.46x = 31,398.90 × 12,681.41
  4. Step 4: Simplify right side
    22,753.46x = 398,182,167.45
  5. Step 5: Solve for x
    x = 398,182,167.45/22,753.46
  6. Step 6: Final answer
    x = 17,499.86

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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.