Home / 20,066.17-27,691.56-11,113.83

Finding the Fourth Proportional to 20,066.17, 27,691.56 and 11,113.83

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Solution

The fourth proportional to 20,066.17, 27,691.56 and 11,113.83 is: 15,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.17 : 27,691.56 = 11,113.83 : x
  2. Step 2: Convert to fraction form
    20,066.17/27,691.56 = 11,113.83/x
  3. Step 3: Cross multiply
    20,066.17x = 27,691.56 × 11,113.83
  4. Step 4: Simplify right side
    20,066.17x = 307,759,290.27
  5. Step 5: Solve for x
    x = 307,759,290.27/20,066.17
  6. Step 6: Final answer
    x = 15,337.22

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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.