Home / 20,066.43-27,691.62-11,568.52

Finding the Fourth Proportional to 20,066.43, 27,691.62 and 11,568.52

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Solution

The fourth proportional to 20,066.43, 27,691.62 and 11,568.52 is: 15,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.43 : 27,691.62 = 11,568.52 : x
  2. Step 2: Convert to fraction form
    20,066.43/27,691.62 = 11,568.52/x
  3. Step 3: Cross multiply
    20,066.43x = 27,691.62 × 11,568.52
  4. Step 4: Simplify right side
    20,066.43x = 320,351,116.11
  5. Step 5: Solve for x
    x = 320,351,116.11/20,066.43
  6. Step 6: Final answer
    x = 15,964.53

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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.