Home / 20,194.55-27,867.86-11,241.86

Finding the Fourth Proportional to 20,194.55, 27,867.86 and 11,241.86

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Solution

The fourth proportional to 20,194.55, 27,867.86 and 11,241.86 is: 15,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.55 : 27,867.86 = 11,241.86 : x
  2. Step 2: Convert to fraction form
    20,194.55/27,867.86 = 11,241.86/x
  3. Step 3: Cross multiply
    20,194.55x = 27,867.86 × 11,241.86
  4. Step 4: Simplify right side
    20,194.55x = 313,286,531.73
  5. Step 5: Solve for x
    x = 313,286,531.73/20,194.55
  6. Step 6: Final answer
    x = 15,513.42

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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.