Home / 23,189.75-34,709.70-12,080.60

Finding the Fourth Proportional to 23,189.75, 34,709.70 and 12,080.60

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Solution

The fourth proportional to 23,189.75, 34,709.70 and 12,080.60 is: 18,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.75 : 34,709.70 = 12,080.60 : x
  2. Step 2: Convert to fraction form
    23,189.75/34,709.70 = 12,080.60/x
  3. Step 3: Cross multiply
    23,189.75x = 34,709.70 × 12,080.60
  4. Step 4: Simplify right side
    23,189.75x = 419,314,001.82
  5. Step 5: Solve for x
    x = 419,314,001.82/23,189.75
  6. Step 6: Final answer
    x = 18,081.87

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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.