Home / 22,286.35-33,376.38-12,906.55

Finding the Fourth Proportional to 22,286.35, 33,376.38 and 12,906.55

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Solution

The fourth proportional to 22,286.35, 33,376.38 and 12,906.55 is: 19,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.35 : 33,376.38 = 12,906.55 : x
  2. Step 2: Convert to fraction form
    22,286.35/33,376.38 = 12,906.55/x
  3. Step 3: Cross multiply
    22,286.35x = 33,376.38 × 12,906.55
  4. Step 4: Simplify right side
    22,286.35x = 430,773,917.29
  5. Step 5: Solve for x
    x = 430,773,917.29/22,286.35
  6. Step 6: Final answer
    x = 19,329.05

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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.