Home / 27,659.20-41,481.36-10,129.12

Finding the Fourth Proportional to 27,659.20, 41,481.36 and 10,129.12

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Solution

The fourth proportional to 27,659.20, 41,481.36 and 10,129.12 is: 15,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.20 : 41,481.36 = 10,129.12 : x
  2. Step 2: Convert to fraction form
    27,659.20/41,481.36 = 10,129.12/x
  3. Step 3: Cross multiply
    27,659.20x = 41,481.36 × 10,129.12
  4. Step 4: Simplify right side
    27,659.20x = 420,169,673.20
  5. Step 5: Solve for x
    x = 420,169,673.20/27,659.20
  6. Step 6: Final answer
    x = 15,190.96

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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.