Home / 25,676.70-38,521.17-8,146.52

Finding the Fourth Proportional to 25,676.70, 38,521.17 and 8,146.52

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Solution

The fourth proportional to 25,676.70, 38,521.17 and 8,146.52 is: 12,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,676.70 : 38,521.17 = 8,146.52 : x
  2. Step 2: Convert to fraction form
    25,676.70/38,521.17 = 8,146.52/x
  3. Step 3: Cross multiply
    25,676.70x = 38,521.17 × 8,146.52
  4. Step 4: Simplify right side
    25,676.70x = 313,813,650.36
  5. Step 5: Solve for x
    x = 313,813,650.36/25,676.70
  6. Step 6: Final answer
    x = 12,221.73

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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.