Home / 20,067.84-27,693.33-11,115.32

Finding the Fourth Proportional to 20,067.84, 27,693.33 and 11,115.32

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Solution

The fourth proportional to 20,067.84, 27,693.33 and 11,115.32 is: 15,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.84 : 27,693.33 = 11,115.32 : x
  2. Step 2: Convert to fraction form
    20,067.84/27,693.33 = 11,115.32/x
  3. Step 3: Cross multiply
    20,067.84x = 27,693.33 × 11,115.32
  4. Step 4: Simplify right side
    20,067.84x = 307,820,086.35
  5. Step 5: Solve for x
    x = 307,820,086.35/20,067.84
  6. Step 6: Final answer
    x = 15,338.97

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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.