Home / 15,793.89-23,685.36-12,119.73

Finding the Fourth Proportional to 15,793.89, 23,685.36 and 12,119.73

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Solution

The fourth proportional to 15,793.89, 23,685.36 and 12,119.73 is: 18,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.89 : 23,685.36 = 12,119.73 : x
  2. Step 2: Convert to fraction form
    15,793.89/23,685.36 = 12,119.73/x
  3. Step 3: Cross multiply
    15,793.89x = 23,685.36 × 12,119.73
  4. Step 4: Simplify right side
    15,793.89x = 287,060,168.15
  5. Step 5: Solve for x
    x = 287,060,168.15/15,793.89
  6. Step 6: Final answer
    x = 18,175.39

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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.