Home / 18,579.92-25,640.20-10,196.24

Finding the Fourth Proportional to 18,579.92, 25,640.20 and 10,196.24

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Solution

The fourth proportional to 18,579.92, 25,640.20 and 10,196.24 is: 14,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.92 : 25,640.20 = 10,196.24 : x
  2. Step 2: Convert to fraction form
    18,579.92/25,640.20 = 10,196.24/x
  3. Step 3: Cross multiply
    18,579.92x = 25,640.20 × 10,196.24
  4. Step 4: Simplify right side
    18,579.92x = 261,433,632.85
  5. Step 5: Solve for x
    x = 261,433,632.85/18,579.92
  6. Step 6: Final answer
    x = 14,070.76

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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.