Home / 36,543.09-54,815.04-13,169.73

Finding the Fourth Proportional to 36,543.09, 54,815.04 and 13,169.73

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Solution

The fourth proportional to 36,543.09, 54,815.04 and 13,169.73 is: 19,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,543.09 : 54,815.04 = 13,169.73 : x
  2. Step 2: Convert to fraction form
    36,543.09/54,815.04 = 13,169.73/x
  3. Step 3: Cross multiply
    36,543.09x = 54,815.04 × 13,169.73
  4. Step 4: Simplify right side
    36,543.09x = 721,899,276.74
  5. Step 5: Solve for x
    x = 721,899,276.74/36,543.09
  6. Step 6: Final answer
    x = 19,754.74

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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.