Home / 22,104.30-33,156.80-12,305.86

Finding the Fourth Proportional to 22,104.30, 33,156.80 and 12,305.86

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Solution

The fourth proportional to 22,104.30, 33,156.80 and 12,305.86 is: 18,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.30 : 33,156.80 = 12,305.86 : x
  2. Step 2: Convert to fraction form
    22,104.30/33,156.80 = 12,305.86/x
  3. Step 3: Cross multiply
    22,104.30x = 33,156.80 × 12,305.86
  4. Step 4: Simplify right side
    22,104.30x = 408,022,711.53
  5. Step 5: Solve for x
    x = 408,022,711.53/22,104.30
  6. Step 6: Final answer
    x = 18,458.97

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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.