Home / 36,641.21-54,965.80-11,675.39

Finding the Fourth Proportional to 36,641.21, 54,965.80 and 11,675.39

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Solution

The fourth proportional to 36,641.21, 54,965.80 and 11,675.39 is: 17,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,641.21 : 54,965.80 = 11,675.39 : x
  2. Step 2: Convert to fraction form
    36,641.21/54,965.80 = 11,675.39/x
  3. Step 3: Cross multiply
    36,641.21x = 54,965.80 × 11,675.39
  4. Step 4: Simplify right side
    36,641.21x = 641,747,151.66
  5. Step 5: Solve for x
    x = 641,747,151.66/36,641.21
  6. Step 6: Final answer
    x = 17,514.35

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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.