Home / 23,186.25-34,777.74-12,099.21

Finding the Fourth Proportional to 23,186.25, 34,777.74 and 12,099.21

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Solution

The fourth proportional to 23,186.25, 34,777.74 and 12,099.21 is: 18,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.25 : 34,777.74 = 12,099.21 : x
  2. Step 2: Convert to fraction form
    23,186.25/34,777.74 = 12,099.21/x
  3. Step 3: Cross multiply
    23,186.25x = 34,777.74 × 12,099.21
  4. Step 4: Simplify right side
    23,186.25x = 420,783,179.59
  5. Step 5: Solve for x
    x = 420,783,179.59/23,186.25
  6. Step 6: Final answer
    x = 18,147.96

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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.