Home / 20,062.62-27,686.05-11,110.10

Finding the Fourth Proportional to 20,062.62, 27,686.05 and 11,110.10

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Solution

The fourth proportional to 20,062.62, 27,686.05 and 11,110.10 is: 15,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.62 : 27,686.05 = 11,110.10 : x
  2. Step 2: Convert to fraction form
    20,062.62/27,686.05 = 11,110.10/x
  3. Step 3: Cross multiply
    20,062.62x = 27,686.05 × 11,110.10
  4. Step 4: Simplify right side
    20,062.62x = 307,594,617.90
  5. Step 5: Solve for x
    x = 307,594,617.90/20,062.62
  6. Step 6: Final answer
    x = 15,331.73

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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.