Home / 54,552.12-81,828.19-15,109.24

Finding the Fourth Proportional to 54,552.12, 81,828.19 and 15,109.24

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Solution

The fourth proportional to 54,552.12, 81,828.19 and 15,109.24 is: 22,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,552.12 : 81,828.19 = 15,109.24 : x
  2. Step 2: Convert to fraction form
    54,552.12/81,828.19 = 15,109.24/x
  3. Step 3: Cross multiply
    54,552.12x = 81,828.19 × 15,109.24
  4. Step 4: Simplify right side
    54,552.12x = 1,236,361,761.48
  5. Step 5: Solve for x
    x = 1,236,361,761.48/54,552.12
  6. Step 6: Final answer
    x = 22,663.86

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Double scale
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Similar ratio
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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.