Home / 22,170.24-33,272.28-8,143.56

Finding the Fourth Proportional to 22,170.24, 33,272.28 and 8,143.56

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Solution

The fourth proportional to 22,170.24, 33,272.28 and 8,143.56 is: 12,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.24 : 33,272.28 = 8,143.56 : x
  2. Step 2: Convert to fraction form
    22,170.24/33,272.28 = 8,143.56/x
  3. Step 3: Cross multiply
    22,170.24x = 33,272.28 × 8,143.56
  4. Step 4: Simplify right side
    22,170.24x = 270,954,808.52
  5. Step 5: Solve for x
    x = 270,954,808.52/22,170.24
  6. Step 6: Final answer
    x = 12,221.56

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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.