Home / 23,188.75-34,708.20-12,079.60

Finding the Fourth Proportional to 23,188.75, 34,708.20 and 12,079.60

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Solution

The fourth proportional to 23,188.75, 34,708.20 and 12,079.60 is: 18,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.75 : 34,708.20 = 12,079.60 : x
  2. Step 2: Convert to fraction form
    23,188.75/34,708.20 = 12,079.60/x
  3. Step 3: Cross multiply
    23,188.75x = 34,708.20 × 12,079.60
  4. Step 4: Simplify right side
    23,188.75x = 419,261,172.72
  5. Step 5: Solve for x
    x = 419,261,172.72/23,188.75
  6. Step 6: Final answer
    x = 18,080.37

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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.