Home / 14,110.20-21,165.26-3,721.95

Finding the Fourth Proportional to 14,110.20, 21,165.26 and 3,721.95

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Solution

The fourth proportional to 14,110.20, 21,165.26 and 3,721.95 is: 5,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.20 : 21,165.26 = 3,721.95 : x
  2. Step 2: Convert to fraction form
    14,110.20/21,165.26 = 3,721.95/x
  3. Step 3: Cross multiply
    14,110.20x = 21,165.26 × 3,721.95
  4. Step 4: Simplify right side
    14,110.20x = 78,776,020.85
  5. Step 5: Solve for x
    x = 78,776,020.85/14,110.20
  6. Step 6: Final answer
    x = 5,582.91

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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.