Home / 17,027.20-25,540.85-5,181.09

Finding the Fourth Proportional to 17,027.20, 25,540.85 and 5,181.09

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Solution

The fourth proportional to 17,027.20, 25,540.85 and 5,181.09 is: 7,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,027.20 : 25,540.85 = 5,181.09 : x
  2. Step 2: Convert to fraction form
    17,027.20/25,540.85 = 5,181.09/x
  3. Step 3: Cross multiply
    17,027.20x = 25,540.85 × 5,181.09
  4. Step 4: Simplify right side
    17,027.20x = 132,329,442.53
  5. Step 5: Solve for x
    x = 132,329,442.53/17,027.20
  6. Step 6: Final answer
    x = 7,771.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.