Home / 20,034.68-27,647.53-11,082.15

Finding the Fourth Proportional to 20,034.68, 27,647.53 and 11,082.15

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Solution

The fourth proportional to 20,034.68, 27,647.53 and 11,082.15 is: 15,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.68 : 27,647.53 = 11,082.15 : x
  2. Step 2: Convert to fraction form
    20,034.68/27,647.53 = 11,082.15/x
  3. Step 3: Cross multiply
    20,034.68x = 27,647.53 × 11,082.15
  4. Step 4: Simplify right side
    20,034.68x = 306,394,046.88
  5. Step 5: Solve for x
    x = 306,394,046.88/20,034.68
  6. Step 6: Final answer
    x = 15,293.19

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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.