Home / 23,168.20-34,763.10-12,087.40

Finding the Fourth Proportional to 23,168.20, 34,763.10 and 12,087.40

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Solution

The fourth proportional to 23,168.20, 34,763.10 and 12,087.40 is: 18,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168.20 : 34,763.10 = 12,087.40 : x
  2. Step 2: Convert to fraction form
    23,168.20/34,763.10 = 12,087.40/x
  3. Step 3: Cross multiply
    23,168.20x = 34,763.10 × 12,087.40
  4. Step 4: Simplify right side
    23,168.20x = 420,195,494.94
  5. Step 5: Solve for x
    x = 420,195,494.94/23,168.20
  6. Step 6: Final answer
    x = 18,136.73

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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.