Home / 17,198.92-25,780.11-10,939.24

Finding the Fourth Proportional to 17,198.92, 25,780.11 and 10,939.24

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Solution

The fourth proportional to 17,198.92, 25,780.11 and 10,939.24 is: 16,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.92 : 25,780.11 = 10,939.24 : x
  2. Step 2: Convert to fraction form
    17,198.92/25,780.11 = 10,939.24/x
  3. Step 3: Cross multiply
    17,198.92x = 25,780.11 × 10,939.24
  4. Step 4: Simplify right side
    17,198.92x = 282,014,810.52
  5. Step 5: Solve for x
    x = 282,014,810.52/17,198.92
  6. Step 6: Final answer
    x = 16,397.24

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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.