Home / 22,191.03-33,286.86-12,392.69

Finding the Fourth Proportional to 22,191.03, 33,286.86 and 12,392.69

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Solution

The fourth proportional to 22,191.03, 33,286.86 and 12,392.69 is: 18,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.03 : 33,286.86 = 12,392.69 : x
  2. Step 2: Convert to fraction form
    22,191.03/33,286.86 = 12,392.69/x
  3. Step 3: Cross multiply
    22,191.03x = 33,286.86 × 12,392.69
  4. Step 4: Simplify right side
    22,191.03x = 412,513,570.62
  5. Step 5: Solve for x
    x = 412,513,570.62/22,191.03
  6. Step 6: Final answer
    x = 18,589.20

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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.