Home / 20,067.90-27,697.13-11,568.48

Finding the Fourth Proportional to 20,067.90, 27,697.13 and 11,568.48

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Solution

The fourth proportional to 20,067.90, 27,697.13 and 11,568.48 is: 15,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.90 : 27,697.13 = 11,568.48 : x
  2. Step 2: Convert to fraction form
    20,067.90/27,697.13 = 11,568.48/x
  3. Step 3: Cross multiply
    20,067.90x = 27,697.13 × 11,568.48
  4. Step 4: Simplify right side
    20,067.90x = 320,413,694.46
  5. Step 5: Solve for x
    x = 320,413,694.46/20,067.90
  6. Step 6: Final answer
    x = 15,966.48

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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.