Home / 23,229.12-32,061.28-15,272.09

Finding the Fourth Proportional to 23,229.12, 32,061.28 and 15,272.09

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Solution

The fourth proportional to 23,229.12, 32,061.28 and 15,272.09 is: 21,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,229.12 : 32,061.28 = 15,272.09 : x
  2. Step 2: Convert to fraction form
    23,229.12/32,061.28 = 15,272.09/x
  3. Step 3: Cross multiply
    23,229.12x = 32,061.28 × 15,272.09
  4. Step 4: Simplify right side
    23,229.12x = 489,642,555.19
  5. Step 5: Solve for x
    x = 489,642,555.19/23,229.12
  6. Step 6: Final answer
    x = 21,078.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.