Home / 22,122.64-33,105.97-13,806.55

Finding the Fourth Proportional to 22,122.64, 33,105.97 and 13,806.55

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Solution

The fourth proportional to 22,122.64, 33,105.97 and 13,806.55 is: 20,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.64 : 33,105.97 = 13,806.55 : x
  2. Step 2: Convert to fraction form
    22,122.64/33,105.97 = 13,806.55/x
  3. Step 3: Cross multiply
    22,122.64x = 33,105.97 × 13,806.55
  4. Step 4: Simplify right side
    22,122.64x = 457,079,230.10
  5. Step 5: Solve for x
    x = 457,079,230.10/22,122.64
  6. Step 6: Final answer
    x = 20,661.15

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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.