Home / 23,821.94-32,874.17-13,211.55

Finding the Fourth Proportional to 23,821.94, 32,874.17 and 13,211.55

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Solution

The fourth proportional to 23,821.94, 32,874.17 and 13,211.55 is: 18,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.94 : 32,874.17 = 13,211.55 : x
  2. Step 2: Convert to fraction form
    23,821.94/32,874.17 = 13,211.55/x
  3. Step 3: Cross multiply
    23,821.94x = 32,874.17 × 13,211.55
  4. Step 4: Simplify right side
    23,821.94x = 434,318,674.61
  5. Step 5: Solve for x
    x = 434,318,674.61/23,821.94
  6. Step 6: Final answer
    x = 18,231.88

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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.