Home / 24,729.11-34,126.12-13,398.91

Finding the Fourth Proportional to 24,729.11, 34,126.12 and 13,398.91

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Solution

The fourth proportional to 24,729.11, 34,126.12 and 13,398.91 is: 18,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,729.11 : 34,126.12 = 13,398.91 : x
  2. Step 2: Convert to fraction form
    24,729.11/34,126.12 = 13,398.91/x
  3. Step 3: Cross multiply
    24,729.11x = 34,126.12 × 13,398.91
  4. Step 4: Simplify right side
    24,729.11x = 457,252,810.53
  5. Step 5: Solve for x
    x = 457,252,810.53/24,729.11
  6. Step 6: Final answer
    x = 18,490.47

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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.