Home / 20,002.85-29,982.76-10,633.44

Finding the Fourth Proportional to 20,002.85, 29,982.76 and 10,633.44

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Solution

The fourth proportional to 20,002.85, 29,982.76 and 10,633.44 is: 15,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.85 : 29,982.76 = 10,633.44 : x
  2. Step 2: Convert to fraction form
    20,002.85/29,982.76 = 10,633.44/x
  3. Step 3: Cross multiply
    20,002.85x = 29,982.76 × 10,633.44
  4. Step 4: Simplify right side
    20,002.85x = 318,819,965.35
  5. Step 5: Solve for x
    x = 318,819,965.35/20,002.85
  6. Step 6: Final answer
    x = 15,938.73

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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.