Home / 23,044.76-31,800.12-12,972.68

Finding the Fourth Proportional to 23,044.76, 31,800.12 and 12,972.68

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Solution

The fourth proportional to 23,044.76, 31,800.12 and 12,972.68 is: 17,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.76 : 31,800.12 = 12,972.68 : x
  2. Step 2: Convert to fraction form
    23,044.76/31,800.12 = 12,972.68/x
  3. Step 3: Cross multiply
    23,044.76x = 31,800.12 × 12,972.68
  4. Step 4: Simplify right side
    23,044.76x = 412,532,780.72
  5. Step 5: Solve for x
    x = 412,532,780.72/23,044.76
  6. Step 6: Final answer
    x = 17,901.37

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Double scale
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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.