Home / 22,155.38-33,212.03-8,836.55

Finding the Fourth Proportional to 22,155.38, 33,212.03 and 8,836.55

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Solution

The fourth proportional to 22,155.38, 33,212.03 and 8,836.55 is: 13,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.38 : 33,212.03 = 8,836.55 : x
  2. Step 2: Convert to fraction form
    22,155.38/33,212.03 = 8,836.55/x
  3. Step 3: Cross multiply
    22,155.38x = 33,212.03 × 8,836.55
  4. Step 4: Simplify right side
    22,155.38x = 293,479,763.70
  5. Step 5: Solve for x
    x = 293,479,763.70/22,155.38
  6. Step 6: Final answer
    x = 13,246.43

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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.