Home / 36,815.72-55,207.17-13,425.75

Finding the Fourth Proportional to 36,815.72, 55,207.17 and 13,425.75

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Solution

The fourth proportional to 36,815.72, 55,207.17 and 13,425.75 is: 20,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.72 : 55,207.17 = 13,425.75 : x
  2. Step 2: Convert to fraction form
    36,815.72/55,207.17 = 13,425.75/x
  3. Step 3: Cross multiply
    36,815.72x = 55,207.17 × 13,425.75
  4. Step 4: Simplify right side
    36,815.72x = 741,197,662.63
  5. Step 5: Solve for x
    x = 741,197,662.63/36,815.72
  6. Step 6: Final answer
    x = 20,132.64

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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.