Home / 22,252.20-30,706.54-12,180.75

Finding the Fourth Proportional to 22,252.20, 30,706.54 and 12,180.75

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Solution

The fourth proportional to 22,252.20, 30,706.54 and 12,180.75 is: 16,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.20 : 30,706.54 = 12,180.75 : x
  2. Step 2: Convert to fraction form
    22,252.20/30,706.54 = 12,180.75/x
  3. Step 3: Cross multiply
    22,252.20x = 30,706.54 × 12,180.75
  4. Step 4: Simplify right side
    22,252.20x = 374,028,687.11
  5. Step 5: Solve for x
    x = 374,028,687.11/22,252.20
  6. Step 6: Final answer
    x = 16,808.62

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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.