Home / 20,587.38-30,879.24-5,593.96

Finding the Fourth Proportional to 20,587.38, 30,879.24 and 5,593.96

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Solution

The fourth proportional to 20,587.38, 30,879.24 and 5,593.96 is: 8,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.38 : 30,879.24 = 5,593.96 : x
  2. Step 2: Convert to fraction form
    20,587.38/30,879.24 = 5,593.96/x
  3. Step 3: Cross multiply
    20,587.38x = 30,879.24 × 5,593.96
  4. Step 4: Simplify right side
    20,587.38x = 172,737,233.39
  5. Step 5: Solve for x
    x = 172,737,233.39/20,587.38
  6. Step 6: Final answer
    x = 8,390.44

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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.