Home / 13,183.41-19,775.11-3,949.41

Finding the Fourth Proportional to 13,183.41, 19,775.11 and 3,949.41

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Solution

The fourth proportional to 13,183.41, 19,775.11 and 3,949.41 is: 5,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.41 : 19,775.11 = 3,949.41 : x
  2. Step 2: Convert to fraction form
    13,183.41/19,775.11 = 3,949.41/x
  3. Step 3: Cross multiply
    13,183.41x = 19,775.11 × 3,949.41
  4. Step 4: Simplify right side
    13,183.41x = 78,099,947.97
  5. Step 5: Solve for x
    x = 78,099,947.97/13,183.41
  6. Step 6: Final answer
    x = 5,924.11

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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.