Home / 41,243.92-61,865.10-13,163.76

Finding the Fourth Proportional to 41,243.92, 61,865.10 and 13,163.76

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Solution

The fourth proportional to 41,243.92, 61,865.10 and 13,163.76 is: 19,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,243.92 : 61,865.10 = 13,163.76 : x
  2. Step 2: Convert to fraction form
    41,243.92/61,865.10 = 13,163.76/x
  3. Step 3: Cross multiply
    41,243.92x = 61,865.10 × 13,163.76
  4. Step 4: Simplify right side
    41,243.92x = 814,377,328.78
  5. Step 5: Solve for x
    x = 814,377,328.78/41,243.92
  6. Step 6: Final answer
    x = 19,745.39

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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.