Home / 36,438.38-54,662.97-11,480.66

Finding the Fourth Proportional to 36,438.38, 54,662.97 and 11,480.66

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Solution

The fourth proportional to 36,438.38, 54,662.97 and 11,480.66 is: 17,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.38 : 54,662.97 = 11,480.66 : x
  2. Step 2: Convert to fraction form
    36,438.38/54,662.97 = 11,480.66/x
  3. Step 3: Cross multiply
    36,438.38x = 54,662.97 × 11,480.66
  4. Step 4: Simplify right side
    36,438.38x = 627,566,973.16
  5. Step 5: Solve for x
    x = 627,566,973.16/36,438.38
  6. Step 6: Final answer
    x = 17,222.69

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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.