Home / 15,049.90-20,771.24-9,082.43

Finding the Fourth Proportional to 15,049.90, 20,771.24 and 9,082.43

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Solution

The fourth proportional to 15,049.90, 20,771.24 and 9,082.43 is: 12,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.90 : 20,771.24 = 9,082.43 : x
  2. Step 2: Convert to fraction form
    15,049.90/20,771.24 = 9,082.43/x
  3. Step 3: Cross multiply
    15,049.90x = 20,771.24 × 9,082.43
  4. Step 4: Simplify right side
    15,049.90x = 188,653,261.94
  5. Step 5: Solve for x
    x = 188,653,261.94/15,049.90
  6. Step 6: Final answer
    x = 12,535.18

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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.