Home / 16,139.16-22,270.68-9,850.32

Finding the Fourth Proportional to 16,139.16, 22,270.68 and 9,850.32

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Solution

The fourth proportional to 16,139.16, 22,270.68 and 9,850.32 is: 13,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.16 : 22,270.68 = 9,850.32 : x
  2. Step 2: Convert to fraction form
    16,139.16/22,270.68 = 9,850.32/x
  3. Step 3: Cross multiply
    16,139.16x = 22,270.68 × 9,850.32
  4. Step 4: Simplify right side
    16,139.16x = 219,373,324.62
  5. Step 5: Solve for x
    x = 219,373,324.62/16,139.16
  6. Step 6: Final answer
    x = 13,592.61

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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.