Home / 20,182.23-27,851.13-11,229.48

Finding the Fourth Proportional to 20,182.23, 27,851.13 and 11,229.48

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Solution

The fourth proportional to 20,182.23, 27,851.13 and 11,229.48 is: 15,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.23 : 27,851.13 = 11,229.48 : x
  2. Step 2: Convert to fraction form
    20,182.23/27,851.13 = 11,229.48/x
  3. Step 3: Cross multiply
    20,182.23x = 27,851.13 × 11,229.48
  4. Step 4: Simplify right side
    20,182.23x = 312,753,707.31
  5. Step 5: Solve for x
    x = 312,753,707.31/20,182.23
  6. Step 6: Final answer
    x = 15,496.49

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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.