Home / 22,948.20-34,422.30-12,450.60

Finding the Fourth Proportional to 22,948.20, 34,422.30 and 12,450.60

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Solution

The fourth proportional to 22,948.20, 34,422.30 and 12,450.60 is: 18,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.20 : 34,422.30 = 12,450.60 : x
  2. Step 2: Convert to fraction form
    22,948.20/34,422.30 = 12,450.60/x
  3. Step 3: Cross multiply
    22,948.20x = 34,422.30 × 12,450.60
  4. Step 4: Simplify right side
    22,948.20x = 428,578,288.38
  5. Step 5: Solve for x
    x = 428,578,288.38/22,948.20
  6. Step 6: Final answer
    x = 18,675.90

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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.