Home / 20,194.62-27,871.19-11,584.17

Finding the Fourth Proportional to 20,194.62, 27,871.19 and 11,584.17

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Solution

The fourth proportional to 20,194.62, 27,871.19 and 11,584.17 is: 15,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.62 : 27,871.19 = 11,584.17 : x
  2. Step 2: Convert to fraction form
    20,194.62/27,871.19 = 11,584.17/x
  3. Step 3: Cross multiply
    20,194.62x = 27,871.19 × 11,584.17
  4. Step 4: Simplify right side
    20,194.62x = 322,864,463.71
  5. Step 5: Solve for x
    x = 322,864,463.71/20,194.62
  6. Step 6: Final answer
    x = 15,987.65

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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.