Home / 20,241.62-27,932.75-11,167.35

Finding the Fourth Proportional to 20,241.62, 27,932.75 and 11,167.35

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Solution

The fourth proportional to 20,241.62, 27,932.75 and 11,167.35 is: 15,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.62 : 27,932.75 = 11,167.35 : x
  2. Step 2: Convert to fraction form
    20,241.62/27,932.75 = 11,167.35/x
  3. Step 3: Cross multiply
    20,241.62x = 27,932.75 × 11,167.35
  4. Step 4: Simplify right side
    20,241.62x = 311,934,718.88
  5. Step 5: Solve for x
    x = 311,934,718.88/20,241.62
  6. Step 6: Final answer
    x = 15,410.56

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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.