Home / 21,752.18-32,620.28-7,517.04

Finding the Fourth Proportional to 21,752.18, 32,620.28 and 7,517.04

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Solution

The fourth proportional to 21,752.18, 32,620.28 and 7,517.04 is: 11,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.18 : 32,620.28 = 7,517.04 : x
  2. Step 2: Convert to fraction form
    21,752.18/32,620.28 = 7,517.04/x
  3. Step 3: Cross multiply
    21,752.18x = 32,620.28 × 7,517.04
  4. Step 4: Simplify right side
    21,752.18x = 245,207,949.57
  5. Step 5: Solve for x
    x = 245,207,949.57/21,752.18
  6. Step 6: Final answer
    x = 11,272.80

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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.