Home / 38,892.38-58,338.56-11,190.38

Finding the Fourth Proportional to 38,892.38, 58,338.56 and 11,190.38

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Solution

The fourth proportional to 38,892.38, 58,338.56 and 11,190.38 is: 16,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,892.38 : 58,338.56 = 11,190.38 : x
  2. Step 2: Convert to fraction form
    38,892.38/58,338.56 = 11,190.38/x
  3. Step 3: Cross multiply
    38,892.38x = 58,338.56 × 11,190.38
  4. Step 4: Simplify right side
    38,892.38x = 652,830,391.34
  5. Step 5: Solve for x
    x = 652,830,391.34/38,892.38
  6. Step 6: Final answer
    x = 16,785.56

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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.