Home / 14,640.24-21,963.76-4,251.68

Finding the Fourth Proportional to 14,640.24, 21,963.76 and 4,251.68

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Solution

The fourth proportional to 14,640.24, 21,963.76 and 4,251.68 is: 6,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.24 : 21,963.76 = 4,251.68 : x
  2. Step 2: Convert to fraction form
    14,640.24/21,963.76 = 4,251.68/x
  3. Step 3: Cross multiply
    14,640.24x = 21,963.76 × 4,251.68
  4. Step 4: Simplify right side
    14,640.24x = 93,382,879.12
  5. Step 5: Solve for x
    x = 93,382,879.12/14,640.24
  6. Step 6: Final answer
    x = 6,378.51

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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.