Home / 20,067.27-27,693.04-12,107.97

Finding the Fourth Proportional to 20,067.27, 27,693.04 and 12,107.97

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Solution

The fourth proportional to 20,067.27, 27,693.04 and 12,107.97 is: 16,709.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.27 : 27,693.04 = 12,107.97 : x
  2. Step 2: Convert to fraction form
    20,067.27/27,693.04 = 12,107.97/x
  3. Step 3: Cross multiply
    20,067.27x = 27,693.04 × 12,107.97
  4. Step 4: Simplify right side
    20,067.27x = 335,306,328.79
  5. Step 5: Solve for x
    x = 335,306,328.79/20,067.27
  6. Step 6: Final answer
    x = 16,709.11

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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.