Home / 26,934.27-40,401.35-12,125.88

Finding the Fourth Proportional to 26,934.27, 40,401.35 and 12,125.88

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Solution

The fourth proportional to 26,934.27, 40,401.35 and 12,125.88 is: 18,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,934.27 : 40,401.35 = 12,125.88 : x
  2. Step 2: Convert to fraction form
    26,934.27/40,401.35 = 12,125.88/x
  3. Step 3: Cross multiply
    26,934.27x = 40,401.35 × 12,125.88
  4. Step 4: Simplify right side
    26,934.27x = 489,901,906.78
  5. Step 5: Solve for x
    x = 489,901,906.78/26,934.27
  6. Step 6: Final answer
    x = 18,188.80

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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.