Home / 25,481.52-38,221.35-6,761.61

Finding the Fourth Proportional to 25,481.52, 38,221.35 and 6,761.61

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Solution

The fourth proportional to 25,481.52, 38,221.35 and 6,761.61 is: 10,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,481.52 : 38,221.35 = 6,761.61 : x
  2. Step 2: Convert to fraction form
    25,481.52/38,221.35 = 6,761.61/x
  3. Step 3: Cross multiply
    25,481.52x = 38,221.35 × 6,761.61
  4. Step 4: Simplify right side
    25,481.52x = 258,437,862.37
  5. Step 5: Solve for x
    x = 258,437,862.37/25,481.52
  6. Step 6: Final answer
    x = 10,142.17

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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.