Home / 15,772.88-23,615.16-8,360.60

Finding the Fourth Proportional to 15,772.88, 23,615.16 and 8,360.60

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Solution

The fourth proportional to 15,772.88, 23,615.16 and 8,360.60 is: 12,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.88 : 23,615.16 = 8,360.60 : x
  2. Step 2: Convert to fraction form
    15,772.88/23,615.16 = 8,360.60/x
  3. Step 3: Cross multiply
    15,772.88x = 23,615.16 × 8,360.60
  4. Step 4: Simplify right side
    15,772.88x = 197,436,906.70
  5. Step 5: Solve for x
    x = 197,436,906.70/15,772.88
  6. Step 6: Final answer
    x = 12,517.49

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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.