Home / 18,578.66-25,659.85-12,233.62

Finding the Fourth Proportional to 18,578.66, 25,659.85 and 12,233.62

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Solution

The fourth proportional to 18,578.66, 25,659.85 and 12,233.62 is: 16,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.66 : 25,659.85 = 12,233.62 : x
  2. Step 2: Convert to fraction form
    18,578.66/25,659.85 = 12,233.62/x
  3. Step 3: Cross multiply
    18,578.66x = 25,659.85 × 12,233.62
  4. Step 4: Simplify right side
    18,578.66x = 313,912,806.42
  5. Step 5: Solve for x
    x = 313,912,806.42/18,578.66
  6. Step 6: Final answer
    x = 16,896.41

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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.