Home / 22,335.38-30,786.90-15,163.10

Finding the Fourth Proportional to 22,335.38, 30,786.90 and 15,163.10

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Solution

The fourth proportional to 22,335.38, 30,786.90 and 15,163.10 is: 20,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,335.38 : 30,786.90 = 15,163.10 : x
  2. Step 2: Convert to fraction form
    22,335.38/30,786.90 = 15,163.10/x
  3. Step 3: Cross multiply
    22,335.38x = 30,786.90 × 15,163.10
  4. Step 4: Simplify right side
    22,335.38x = 466,824,843.39
  5. Step 5: Solve for x
    x = 466,824,843.39/22,335.38
  6. Step 6: Final answer
    x = 20,900.69

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Half scale
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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.