Home / 25,481.48-38,221.52-6,761.58

Finding the Fourth Proportional to 25,481.48, 38,221.52 and 6,761.58

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Solution

The fourth proportional to 25,481.48, 38,221.52 and 6,761.58 is: 10,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.48 : 38,221.52 = 6,761.58 : x
  2. Step 2: Convert to fraction form
    25,481.48/38,221.52 = 6,761.58/x
  3. Step 3: Cross multiply
    25,481.48x = 38,221.52 × 6,761.58
  4. Step 4: Simplify right side
    25,481.48x = 258,437,865.20
  5. Step 5: Solve for x
    x = 258,437,865.20/25,481.48
  6. Step 6: Final answer
    x = 10,142.18

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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.