Home / 18,575.33-27,765.11-18,132.39

Finding the Fourth Proportional to 18,575.33, 27,765.11 and 18,132.39

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Solution

The fourth proportional to 18,575.33, 27,765.11 and 18,132.39 is: 27,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.33 : 27,765.11 = 18,132.39 : x
  2. Step 2: Convert to fraction form
    18,575.33/27,765.11 = 18,132.39/x
  3. Step 3: Cross multiply
    18,575.33x = 27,765.11 × 18,132.39
  4. Step 4: Simplify right side
    18,575.33x = 503,447,848.24
  5. Step 5: Solve for x
    x = 503,447,848.24/18,575.33
  6. Step 6: Final answer
    x = 27,103.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.