Home / 17,650.11-26,484.40-7,122.75

Finding the Fourth Proportional to 17,650.11, 26,484.40 and 7,122.75

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Solution

The fourth proportional to 17,650.11, 26,484.40 and 7,122.75 is: 10,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,650.11 : 26,484.40 = 7,122.75 : x
  2. Step 2: Convert to fraction form
    17,650.11/26,484.40 = 7,122.75/x
  3. Step 3: Cross multiply
    17,650.11x = 26,484.40 × 7,122.75
  4. Step 4: Simplify right side
    17,650.11x = 188,641,627.68
  5. Step 5: Solve for x
    x = 188,641,627.68/17,650.11
  6. Step 6: Final answer
    x = 10,687.85

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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.