Home / 15,630.06-23,447.51-5,239.38

Finding the Fourth Proportional to 15,630.06, 23,447.51 and 5,239.38

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Solution

The fourth proportional to 15,630.06, 23,447.51 and 5,239.38 is: 7,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.06 : 23,447.51 = 5,239.38 : x
  2. Step 2: Convert to fraction form
    15,630.06/23,447.51 = 5,239.38/x
  3. Step 3: Cross multiply
    15,630.06x = 23,447.51 × 5,239.38
  4. Step 4: Simplify right side
    15,630.06x = 122,850,414.94
  5. Step 5: Solve for x
    x = 122,850,414.94/15,630.06
  6. Step 6: Final answer
    x = 7,859.88

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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.