Home / 38,123.28-57,183.12-11,824.56

Finding the Fourth Proportional to 38,123.28, 57,183.12 and 11,824.56

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Solution

The fourth proportional to 38,123.28, 57,183.12 and 11,824.56 is: 17,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.28 : 57,183.12 = 11,824.56 : x
  2. Step 2: Convert to fraction form
    38,123.28/57,183.12 = 11,824.56/x
  3. Step 3: Cross multiply
    38,123.28x = 57,183.12 × 11,824.56
  4. Step 4: Simplify right side
    38,123.28x = 676,165,233.43
  5. Step 5: Solve for x
    x = 676,165,233.43/38,123.28
  6. Step 6: Final answer
    x = 17,736.28

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1.5x scale

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.