Home / 36,129.92-54,190.56-9,836.72

Finding the Fourth Proportional to 36,129.92, 54,190.56 and 9,836.72

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Solution

The fourth proportional to 36,129.92, 54,190.56 and 9,836.72 is: 14,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.92 : 54,190.56 = 9,836.72 : x
  2. Step 2: Convert to fraction form
    36,129.92/54,190.56 = 9,836.72/x
  3. Step 3: Cross multiply
    36,129.92x = 54,190.56 × 9,836.72
  4. Step 4: Simplify right side
    36,129.92x = 533,057,365.36
  5. Step 5: Solve for x
    x = 533,057,365.36/36,129.92
  6. Step 6: Final answer
    x = 14,753.90

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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.