Home / 22,981.29-34,472.13-12,587.37

Finding the Fourth Proportional to 22,981.29, 34,472.13 and 12,587.37

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Solution

The fourth proportional to 22,981.29, 34,472.13 and 12,587.37 is: 18,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.29 : 34,472.13 = 12,587.37 : x
  2. Step 2: Convert to fraction form
    22,981.29/34,472.13 = 12,587.37/x
  3. Step 3: Cross multiply
    22,981.29x = 34,472.13 × 12,587.37
  4. Step 4: Simplify right side
    22,981.29x = 433,913,455.00
  5. Step 5: Solve for x
    x = 433,913,455.00/22,981.29
  6. Step 6: Final answer
    x = 18,881.16

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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.