Home / 20,236.20-27,925.41-11,737.79

Finding the Fourth Proportional to 20,236.20, 27,925.41 and 11,737.79

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Solution

The fourth proportional to 20,236.20, 27,925.41 and 11,737.79 is: 16,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.20 : 27,925.41 = 11,737.79 : x
  2. Step 2: Convert to fraction form
    20,236.20/27,925.41 = 11,737.79/x
  3. Step 3: Cross multiply
    20,236.20x = 27,925.41 × 11,737.79
  4. Step 4: Simplify right side
    20,236.20x = 327,782,458.62
  5. Step 5: Solve for x
    x = 327,782,458.62/20,236.20
  6. Step 6: Final answer
    x = 16,197.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.