Home / 14,640.75-21,963.90-5,876.36

Finding the Fourth Proportional to 14,640.75, 21,963.90 and 5,876.36

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Solution

The fourth proportional to 14,640.75, 21,963.90 and 5,876.36 is: 8,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.75 : 21,963.90 = 5,876.36 : x
  2. Step 2: Convert to fraction form
    14,640.75/21,963.90 = 5,876.36/x
  3. Step 3: Cross multiply
    14,640.75x = 21,963.90 × 5,876.36
  4. Step 4: Simplify right side
    14,640.75x = 129,067,783.40
  5. Step 5: Solve for x
    x = 129,067,783.40/14,640.75
  6. Step 6: Final answer
    x = 8,815.65

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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.