Home / 12,016.44-17,998.20-9,912.60

Finding the Fourth Proportional to 12,016.44, 17,998.20 and 9,912.60

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Solution

The fourth proportional to 12,016.44, 17,998.20 and 9,912.60 is: 14,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.44 : 17,998.20 = 9,912.60 : x
  2. Step 2: Convert to fraction form
    12,016.44/17,998.20 = 9,912.60/x
  3. Step 3: Cross multiply
    12,016.44x = 17,998.20 × 9,912.60
  4. Step 4: Simplify right side
    12,016.44x = 178,408,957.32
  5. Step 5: Solve for x
    x = 178,408,957.32/12,016.44
  6. Step 6: Final answer
    x = 14,847.07

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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.