Home / 20,067.67-27,693.08-10,992.96

Finding the Fourth Proportional to 20,067.67, 27,693.08 and 10,992.96

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Solution

The fourth proportional to 20,067.67, 27,693.08 and 10,992.96 is: 15,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.67 : 27,693.08 = 10,992.96 : x
  2. Step 2: Convert to fraction form
    20,067.67/27,693.08 = 10,992.96/x
  3. Step 3: Cross multiply
    20,067.67x = 27,693.08 × 10,992.96
  4. Step 4: Simplify right side
    20,067.67x = 304,428,865.75
  5. Step 5: Solve for x
    x = 304,428,865.75/20,067.67
  6. Step 6: Final answer
    x = 15,170.12

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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.