Home / 23,044.13-31,800.93-12,972.66

Finding the Fourth Proportional to 23,044.13, 31,800.93 and 12,972.66

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Solution

The fourth proportional to 23,044.13, 31,800.93 and 12,972.66 is: 17,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,044.13 : 31,800.93 = 12,972.66 : x
  2. Step 2: Convert to fraction form
    23,044.13/31,800.93 = 12,972.66/x
  3. Step 3: Cross multiply
    23,044.13x = 31,800.93 × 12,972.66
  4. Step 4: Simplify right side
    23,044.13x = 412,542,652.57
  5. Step 5: Solve for x
    x = 412,542,652.57/23,044.13
  6. Step 6: Final answer
    x = 17,902.29

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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.