Home / 20,581.92-30,872.68-5,794.96

Finding the Fourth Proportional to 20,581.92, 30,872.68 and 5,794.96

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Solution

The fourth proportional to 20,581.92, 30,872.68 and 5,794.96 is: 8,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,581.92 : 30,872.68 = 5,794.96 : x
  2. Step 2: Convert to fraction form
    20,581.92/30,872.68 = 5,794.96/x
  3. Step 3: Cross multiply
    20,581.92x = 30,872.68 × 5,794.96
  4. Step 4: Simplify right side
    20,581.92x = 178,905,945.69
  5. Step 5: Solve for x
    x = 178,905,945.69/20,581.92
  6. Step 6: Final answer
    x = 8,692.38

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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.