Home / 25,981.74-38,949.22-9,337.86

Finding the Fourth Proportional to 25,981.74, 38,949.22 and 9,337.86

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Solution

The fourth proportional to 25,981.74, 38,949.22 and 9,337.86 is: 13,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.74 : 38,949.22 = 9,337.86 : x
  2. Step 2: Convert to fraction form
    25,981.74/38,949.22 = 9,337.86/x
  3. Step 3: Cross multiply
    25,981.74x = 38,949.22 × 9,337.86
  4. Step 4: Simplify right side
    25,981.74x = 363,702,363.47
  5. Step 5: Solve for x
    x = 363,702,363.47/25,981.74
  6. Step 6: Final answer
    x = 13,998.38

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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.