Home / 18,524.57-27,727.19-12,204.66

Finding the Fourth Proportional to 18,524.57, 27,727.19 and 12,204.66

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Solution

The fourth proportional to 18,524.57, 27,727.19 and 12,204.66 is: 18,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.57 : 27,727.19 = 12,204.66 : x
  2. Step 2: Convert to fraction form
    18,524.57/27,727.19 = 12,204.66/x
  3. Step 3: Cross multiply
    18,524.57x = 27,727.19 × 12,204.66
  4. Step 4: Simplify right side
    18,524.57x = 338,401,015.43
  5. Step 5: Solve for x
    x = 338,401,015.43/18,524.57
  6. Step 6: Final answer
    x = 18,267.69

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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.