Home / 20,104.44-27,744.03-11,151.85

Finding the Fourth Proportional to 20,104.44, 27,744.03 and 11,151.85

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Solution

The fourth proportional to 20,104.44, 27,744.03 and 11,151.85 is: 15,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.44 : 27,744.03 = 11,151.85 : x
  2. Step 2: Convert to fraction form
    20,104.44/27,744.03 = 11,151.85/x
  3. Step 3: Cross multiply
    20,104.44x = 27,744.03 × 11,151.85
  4. Step 4: Simplify right side
    20,104.44x = 309,397,205.20
  5. Step 5: Solve for x
    x = 309,397,205.20/20,104.44
  6. Step 6: Final answer
    x = 15,389.50

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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.