Home / 18,206.92-25,125.57-10,249.21

Finding the Fourth Proportional to 18,206.92, 25,125.57 and 10,249.21

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Solution

The fourth proportional to 18,206.92, 25,125.57 and 10,249.21 is: 14,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.92 : 25,125.57 = 10,249.21 : x
  2. Step 2: Convert to fraction form
    18,206.92/25,125.57 = 10,249.21/x
  3. Step 3: Cross multiply
    18,206.92x = 25,125.57 × 10,249.21
  4. Step 4: Simplify right side
    18,206.92x = 257,517,243.30
  5. Step 5: Solve for x
    x = 257,517,243.30/18,206.92
  6. Step 6: Final answer
    x = 14,143.92

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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.