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Finding the Fourth Proportional to 20,067.99, 27,694.24 and 12,009.97

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Solution

The fourth proportional to 20,067.99, 27,694.24 and 12,009.97 is: 16,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.99 : 27,694.24 = 12,009.97 : x
  2. Step 2: Convert to fraction form
    20,067.99/27,694.24 = 12,009.97/x
  3. Step 3: Cross multiply
    20,067.99x = 27,694.24 × 12,009.97
  4. Step 4: Simplify right side
    20,067.99x = 332,606,996.17
  5. Step 5: Solve for x
    x = 332,606,996.17/20,067.99
  6. Step 6: Final answer
    x = 16,574.01

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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.