Home / 20,194.68-27,867.99-11,241.90

Finding the Fourth Proportional to 20,194.68, 27,867.99 and 11,241.90

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Solution

The fourth proportional to 20,194.68, 27,867.99 and 11,241.90 is: 15,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.68 : 27,867.99 = 11,241.90 : x
  2. Step 2: Convert to fraction form
    20,194.68/27,867.99 = 11,241.90/x
  3. Step 3: Cross multiply
    20,194.68x = 27,867.99 × 11,241.90
  4. Step 4: Simplify right side
    20,194.68x = 313,289,156.78
  5. Step 5: Solve for x
    x = 313,289,156.78/20,194.68
  6. Step 6: Final answer
    x = 15,513.45

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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.