Home / 15,949.33-22,018.70-11,183.90

Finding the Fourth Proportional to 15,949.33, 22,018.70 and 11,183.90

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Solution

The fourth proportional to 15,949.33, 22,018.70 and 11,183.90 is: 15,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.33 : 22,018.70 = 11,183.90 : x
  2. Step 2: Convert to fraction form
    15,949.33/22,018.70 = 11,183.90/x
  3. Step 3: Cross multiply
    15,949.33x = 22,018.70 × 11,183.90
  4. Step 4: Simplify right side
    15,949.33x = 246,254,856.80
  5. Step 5: Solve for x
    x = 246,254,856.80/15,949.33
  6. Step 6: Final answer
    x = 15,439.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.