Home / 15,915.77-23,876.60-5,242.73

Finding the Fourth Proportional to 15,915.77, 23,876.60 and 5,242.73

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Solution

The fourth proportional to 15,915.77, 23,876.60 and 5,242.73 is: 7,865.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.77 : 23,876.60 = 5,242.73 : x
  2. Step 2: Convert to fraction form
    15,915.77/23,876.60 = 5,242.73/x
  3. Step 3: Cross multiply
    15,915.77x = 23,876.60 × 5,242.73
  4. Step 4: Simplify right side
    15,915.77x = 125,178,540.90
  5. Step 5: Solve for x
    x = 125,178,540.90/15,915.77
  6. Step 6: Final answer
    x = 7,865.06

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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.