Home / 37,107.18-55,660.97-12,147.03

Finding the Fourth Proportional to 37,107.18, 55,660.97 and 12,147.03

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Solution

The fourth proportional to 37,107.18, 55,660.97 and 12,147.03 is: 18,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,107.18 : 55,660.97 = 12,147.03 : x
  2. Step 2: Convert to fraction form
    37,107.18/55,660.97 = 12,147.03/x
  3. Step 3: Cross multiply
    37,107.18x = 55,660.97 × 12,147.03
  4. Step 4: Simplify right side
    37,107.18x = 676,115,502.79
  5. Step 5: Solve for x
    x = 676,115,502.79/37,107.18
  6. Step 6: Final answer
    x = 18,220.61

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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.