Home / 22,371.20-33,540.60-9,216.80

Finding the Fourth Proportional to 22,371.20, 33,540.60 and 9,216.80

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Solution

The fourth proportional to 22,371.20, 33,540.60 and 9,216.80 is: 13,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,371.20 : 33,540.60 = 9,216.80 : x
  2. Step 2: Convert to fraction form
    22,371.20/33,540.60 = 9,216.80/x
  3. Step 3: Cross multiply
    22,371.20x = 33,540.60 × 9,216.80
  4. Step 4: Simplify right side
    22,371.20x = 309,137,002.08
  5. Step 5: Solve for x
    x = 309,137,002.08/22,371.20
  6. Step 6: Final answer
    x = 13,818.53

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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.