Home / 37,104.96-55,648.80-12,138.60

Finding the Fourth Proportional to 37,104.96, 55,648.80 and 12,138.60

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Solution

The fourth proportional to 37,104.96, 55,648.80 and 12,138.60 is: 18,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,104.96 : 55,648.80 = 12,138.60 : x
  2. Step 2: Convert to fraction form
    37,104.96/55,648.80 = 12,138.60/x
  3. Step 3: Cross multiply
    37,104.96x = 55,648.80 × 12,138.60
  4. Step 4: Simplify right side
    37,104.96x = 675,498,523.68
  5. Step 5: Solve for x
    x = 675,498,523.68/37,104.96
  6. Step 6: Final answer
    x = 18,205.07

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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.