Home / 14,110.60-21,166.78-3,722.36

Finding the Fourth Proportional to 14,110.60, 21,166.78 and 3,722.36

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Solution

The fourth proportional to 14,110.60, 21,166.78 and 3,722.36 is: 5,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.60 : 21,166.78 = 3,722.36 : x
  2. Step 2: Convert to fraction form
    14,110.60/21,166.78 = 3,722.36/x
  3. Step 3: Cross multiply
    14,110.60x = 21,166.78 × 3,722.36
  4. Step 4: Simplify right side
    14,110.60x = 78,790,375.20
  5. Step 5: Solve for x
    x = 78,790,375.20/14,110.60
  6. Step 6: Final answer
    x = 5,583.77

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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.