Home / 22,737.34-31,150.30-21,885.09

Finding the Fourth Proportional to 22,737.34, 31,150.30 and 21,885.09

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Solution

The fourth proportional to 22,737.34, 31,150.30 and 21,885.09 is: 29,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.34 : 31,150.30 = 21,885.09 : x
  2. Step 2: Convert to fraction form
    22,737.34/31,150.30 = 21,885.09/x
  3. Step 3: Cross multiply
    22,737.34x = 31,150.30 × 21,885.09
  4. Step 4: Simplify right side
    22,737.34x = 681,727,137.70
  5. Step 5: Solve for x
    x = 681,727,137.70/22,737.34
  6. Step 6: Final answer
    x = 29,982.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.