Home / 20,193.48-27,867.92-11,241.56

Finding the Fourth Proportional to 20,193.48, 27,867.92 and 11,241.56

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Solution

The fourth proportional to 20,193.48, 27,867.92 and 11,241.56 is: 15,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.48 : 27,867.92 = 11,241.56 : x
  2. Step 2: Convert to fraction form
    20,193.48/27,867.92 = 11,241.56/x
  3. Step 3: Cross multiply
    20,193.48x = 27,867.92 × 11,241.56
  4. Step 4: Simplify right side
    20,193.48x = 313,278,924.69
  5. Step 5: Solve for x
    x = 313,278,924.69/20,193.48
  6. Step 6: Final answer
    x = 15,513.87

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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.