Home / 20,033.86-27,647.14-11,082.20

Finding the Fourth Proportional to 20,033.86, 27,647.14 and 11,082.20

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Solution

The fourth proportional to 20,033.86, 27,647.14 and 11,082.20 is: 15,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.86 : 27,647.14 = 11,082.20 : x
  2. Step 2: Convert to fraction form
    20,033.86/27,647.14 = 11,082.20/x
  3. Step 3: Cross multiply
    20,033.86x = 27,647.14 × 11,082.20
  4. Step 4: Simplify right side
    20,033.86x = 306,391,134.91
  5. Step 5: Solve for x
    x = 306,391,134.91/20,033.86
  6. Step 6: Final answer
    x = 15,293.66

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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.