Home / 25,972.20-38,964.31-8,204.62

Finding the Fourth Proportional to 25,972.20, 38,964.31 and 8,204.62

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Solution

The fourth proportional to 25,972.20, 38,964.31 and 8,204.62 is: 12,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.20 : 38,964.31 = 8,204.62 : x
  2. Step 2: Convert to fraction form
    25,972.20/38,964.31 = 8,204.62/x
  3. Step 3: Cross multiply
    25,972.20x = 38,964.31 × 8,204.62
  4. Step 4: Simplify right side
    25,972.20x = 319,687,162.29
  5. Step 5: Solve for x
    x = 319,687,162.29/25,972.20
  6. Step 6: Final answer
    x = 12,308.82

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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.