Home / 18,664.62-25,756.44-10,166.61

Finding the Fourth Proportional to 18,664.62, 25,756.44 and 10,166.61

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Solution

The fourth proportional to 18,664.62, 25,756.44 and 10,166.61 is: 14,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.62 : 25,756.44 = 10,166.61 : x
  2. Step 2: Convert to fraction form
    18,664.62/25,756.44 = 10,166.61/x
  3. Step 3: Cross multiply
    18,664.62x = 25,756.44 × 10,166.61
  4. Step 4: Simplify right side
    18,664.62x = 261,855,545.76
  5. Step 5: Solve for x
    x = 261,855,545.76/18,664.62
  6. Step 6: Final answer
    x = 14,029.51

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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.