Home / 22,259.97-33,370.52-8,418.69

Finding the Fourth Proportional to 22,259.97, 33,370.52 and 8,418.69

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Solution

The fourth proportional to 22,259.97, 33,370.52 and 8,418.69 is: 12,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.97 : 33,370.52 = 8,418.69 : x
  2. Step 2: Convert to fraction form
    22,259.97/33,370.52 = 8,418.69/x
  3. Step 3: Cross multiply
    22,259.97x = 33,370.52 × 8,418.69
  4. Step 4: Simplify right side
    22,259.97x = 280,936,020.93
  5. Step 5: Solve for x
    x = 280,936,020.93/22,259.97
  6. Step 6: Final answer
    x = 12,620.68

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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.