Home / 13,096.26-18,076.24-8,318.50

Finding the Fourth Proportional to 13,096.26, 18,076.24 and 8,318.50

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Solution

The fourth proportional to 13,096.26, 18,076.24 and 8,318.50 is: 11,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,096.26 : 18,076.24 = 8,318.50 : x
  2. Step 2: Convert to fraction form
    13,096.26/18,076.24 = 8,318.50/x
  3. Step 3: Cross multiply
    13,096.26x = 18,076.24 × 8,318.50
  4. Step 4: Simplify right side
    13,096.26x = 150,367,202.44
  5. Step 5: Solve for x
    x = 150,367,202.44/13,096.26
  6. Step 6: Final answer
    x = 11,481.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.