Home / 36,760.56-55,149.12-13,387.08

Finding the Fourth Proportional to 36,760.56, 55,149.12 and 13,387.08

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Solution

The fourth proportional to 36,760.56, 55,149.12 and 13,387.08 is: 20,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,760.56 : 55,149.12 = 13,387.08 : x
  2. Step 2: Convert to fraction form
    36,760.56/55,149.12 = 13,387.08/x
  3. Step 3: Cross multiply
    36,760.56x = 55,149.12 × 13,387.08
  4. Step 4: Simplify right side
    36,760.56x = 738,285,681.37
  5. Step 5: Solve for x
    x = 738,285,681.37/36,760.56
  6. Step 6: Final answer
    x = 20,083.64

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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.