Home / 25,500.92-38,251.37-7,970.90

Finding the Fourth Proportional to 25,500.92, 38,251.37 and 7,970.90

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Solution

The fourth proportional to 25,500.92, 38,251.37 and 7,970.90 is: 11,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.92 : 38,251.37 = 7,970.90 : x
  2. Step 2: Convert to fraction form
    25,500.92/38,251.37 = 7,970.90/x
  3. Step 3: Cross multiply
    25,500.92x = 38,251.37 × 7,970.90
  4. Step 4: Simplify right side
    25,500.92x = 304,897,673.80
  5. Step 5: Solve for x
    x = 304,897,673.80/25,500.92
  6. Step 6: Final answer
    x = 11,956.34

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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.