Home / 16,986.08-25,480.30-7,115.44

Finding the Fourth Proportional to 16,986.08, 25,480.30 and 7,115.44

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Solution

The fourth proportional to 16,986.08, 25,480.30 and 7,115.44 is: 10,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.08 : 25,480.30 = 7,115.44 : x
  2. Step 2: Convert to fraction form
    16,986.08/25,480.30 = 7,115.44/x
  3. Step 3: Cross multiply
    16,986.08x = 25,480.30 × 7,115.44
  4. Step 4: Simplify right side
    16,986.08x = 181,303,545.83
  5. Step 5: Solve for x
    x = 181,303,545.83/16,986.08
  6. Step 6: Final answer
    x = 10,673.65

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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.