Home / 15,721.44-23,584.52-5,192.58

Finding the Fourth Proportional to 15,721.44, 23,584.52 and 5,192.58

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Solution

The fourth proportional to 15,721.44, 23,584.52 and 5,192.58 is: 7,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.44 : 23,584.52 = 5,192.58 : x
  2. Step 2: Convert to fraction form
    15,721.44/23,584.52 = 5,192.58/x
  3. Step 3: Cross multiply
    15,721.44x = 23,584.52 × 5,192.58
  4. Step 4: Simplify right side
    15,721.44x = 122,464,480.90
  5. Step 5: Solve for x
    x = 122,464,480.90/15,721.44
  6. Step 6: Final answer
    x = 7,789.65

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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.