Home / 14,786.71-22,166.87-5,424.54

Finding the Fourth Proportional to 14,786.71, 22,166.87 and 5,424.54

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Solution

The fourth proportional to 14,786.71, 22,166.87 and 5,424.54 is: 8,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.71 : 22,166.87 = 5,424.54 : x
  2. Step 2: Convert to fraction form
    14,786.71/22,166.87 = 5,424.54/x
  3. Step 3: Cross multiply
    14,786.71x = 22,166.87 × 5,424.54
  4. Step 4: Simplify right side
    14,786.71x = 120,244,962.74
  5. Step 5: Solve for x
    x = 120,244,962.74/14,786.71
  6. Step 6: Final answer
    x = 8,131.96

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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.