Home / 18,211.15-25,132.85-10,252.90

Finding the Fourth Proportional to 18,211.15, 25,132.85 and 10,252.90

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Solution

The fourth proportional to 18,211.15, 25,132.85 and 10,252.90 is: 14,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.15 : 25,132.85 = 10,252.90 : x
  2. Step 2: Convert to fraction form
    18,211.15/25,132.85 = 10,252.90/x
  3. Step 3: Cross multiply
    18,211.15x = 25,132.85 × 10,252.90
  4. Step 4: Simplify right side
    18,211.15x = 257,684,597.77
  5. Step 5: Solve for x
    x = 257,684,597.77/18,211.15
  6. Step 6: Final answer
    x = 14,149.83

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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.