Home / 36,843.92-55,255.06-13,147.64

Finding the Fourth Proportional to 36,843.92, 55,255.06 and 13,147.64

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Solution

The fourth proportional to 36,843.92, 55,255.06 and 13,147.64 is: 19,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,843.92 : 55,255.06 = 13,147.64 : x
  2. Step 2: Convert to fraction form
    36,843.92/55,255.06 = 13,147.64/x
  3. Step 3: Cross multiply
    36,843.92x = 55,255.06 × 13,147.64
  4. Step 4: Simplify right side
    36,843.92x = 726,473,637.06
  5. Step 5: Solve for x
    x = 726,473,637.06/36,843.92
  6. Step 6: Final answer
    x = 19,717.60

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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.