Home / 16,183.31-22,339.85-10,881.20

Finding the Fourth Proportional to 16,183.31, 22,339.85 and 10,881.20

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Solution

The fourth proportional to 16,183.31, 22,339.85 and 10,881.20 is: 15,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,183.31 : 22,339.85 = 10,881.20 : x
  2. Step 2: Convert to fraction form
    16,183.31/22,339.85 = 10,881.20/x
  3. Step 3: Cross multiply
    16,183.31x = 22,339.85 × 10,881.20
  4. Step 4: Simplify right side
    16,183.31x = 243,084,375.82
  5. Step 5: Solve for x
    x = 243,084,375.82/16,183.31
  6. Step 6: Final answer
    x = 15,020.68

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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.