Home / 22,294.00-30,771.43-15,135.90

Finding the Fourth Proportional to 22,294.00, 30,771.43 and 15,135.90

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Solution

The fourth proportional to 22,294.00, 30,771.43 and 15,135.90 is: 20,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.00 : 30,771.43 = 15,135.90 : x
  2. Step 2: Convert to fraction form
    22,294.00/30,771.43 = 15,135.90/x
  3. Step 3: Cross multiply
    22,294.00x = 30,771.43 × 15,135.90
  4. Step 4: Simplify right side
    22,294.00x = 465,753,134.10
  5. Step 5: Solve for x
    x = 465,753,134.10/22,294.00
  6. Step 6: Final answer
    x = 20,891.41

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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.