Home / 22,368.72-33,568.20-8,517.36

Finding the Fourth Proportional to 22,368.72, 33,568.20 and 8,517.36

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Solution

The fourth proportional to 22,368.72, 33,568.20 and 8,517.36 is: 12,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.72 : 33,568.20 = 8,517.36 : x
  2. Step 2: Convert to fraction form
    22,368.72/33,568.20 = 8,517.36/x
  3. Step 3: Cross multiply
    22,368.72x = 33,568.20 × 8,517.36
  4. Step 4: Simplify right side
    22,368.72x = 285,912,443.95
  5. Step 5: Solve for x
    x = 285,912,443.95/22,368.72
  6. Step 6: Final answer
    x = 12,781.80

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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.