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Finding the Fourth Proportional to 24,391.38, 33,660.16 and 13,213.38

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Solution

The fourth proportional to 24,391.38, 33,660.16 and 13,213.38 is: 18,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,391.38 : 33,660.16 = 13,213.38 : x
  2. Step 2: Convert to fraction form
    24,391.38/33,660.16 = 13,213.38/x
  3. Step 3: Cross multiply
    24,391.38x = 33,660.16 × 13,213.38
  4. Step 4: Simplify right side
    24,391.38x = 444,764,484.94
  5. Step 5: Solve for x
    x = 444,764,484.94/24,391.38
  6. Step 6: Final answer
    x = 18,234.49

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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.