Home / 23,132.78-34,713-9,985.16

Finding the Fourth Proportional to 23,132.78, 34,713 and 9,985.16

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Solution

The fourth proportional to 23,132.78, 34,713 and 9,985.16 is: 14,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.78 : 34,713 = 9,985.16 : x
  2. Step 2: Convert to fraction form
    23,132.78/34,713 = 9,985.16/x
  3. Step 3: Cross multiply
    23,132.78x = 34,713 × 9,985.16
  4. Step 4: Simplify right side
    23,132.78x = 346,614,859.08
  5. Step 5: Solve for x
    x = 346,614,859.08/23,132.78
  6. Step 6: Final answer
    x = 14,983.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.