Home / 16,728.30-25,102.17-6,874.65

Finding the Fourth Proportional to 16,728.30, 25,102.17 and 6,874.65

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Solution

The fourth proportional to 16,728.30, 25,102.17 and 6,874.65 is: 10,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.30 : 25,102.17 = 6,874.65 : x
  2. Step 2: Convert to fraction form
    16,728.30/25,102.17 = 6,874.65/x
  3. Step 3: Cross multiply
    16,728.30x = 25,102.17 × 6,874.65
  4. Step 4: Simplify right side
    16,728.30x = 172,568,632.99
  5. Step 5: Solve for x
    x = 172,568,632.99/16,728.30
  6. Step 6: Final answer
    x = 10,315.97

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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.