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Finding the Fourth Proportional to 15,919.20, 23,915.52 and 10,014.48

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Solution

The fourth proportional to 15,919.20, 23,915.52 and 10,014.48 is: 15,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.20 : 23,915.52 = 10,014.48 : x
  2. Step 2: Convert to fraction form
    15,919.20/23,915.52 = 10,014.48/x
  3. Step 3: Cross multiply
    15,919.20x = 23,915.52 × 10,014.48
  4. Step 4: Simplify right side
    15,919.20x = 239,501,496.73
  5. Step 5: Solve for x
    x = 239,501,496.73/15,919.20
  6. Step 6: Final answer
    x = 15,044.82

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1.5x scale

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.