Home / 16,726.50-23,081.94-9,172.65

Finding the Fourth Proportional to 16,726.50, 23,081.94 and 9,172.65

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Solution

The fourth proportional to 16,726.50, 23,081.94 and 9,172.65 is: 12,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.50 : 23,081.94 = 9,172.65 : x
  2. Step 2: Convert to fraction form
    16,726.50/23,081.94 = 9,172.65/x
  3. Step 3: Cross multiply
    16,726.50x = 23,081.94 × 9,172.65
  4. Step 4: Simplify right side
    16,726.50x = 211,722,556.94
  5. Step 5: Solve for x
    x = 211,722,556.94/16,726.50
  6. Step 6: Final answer
    x = 12,657.91

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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.