Home / 13,536.47-20,305.13-3,675.96

Finding the Fourth Proportional to 13,536.47, 20,305.13 and 3,675.96

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Solution

The fourth proportional to 13,536.47, 20,305.13 and 3,675.96 is: 5,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.47 : 20,305.13 = 3,675.96 : x
  2. Step 2: Convert to fraction form
    13,536.47/20,305.13 = 3,675.96/x
  3. Step 3: Cross multiply
    13,536.47x = 20,305.13 × 3,675.96
  4. Step 4: Simplify right side
    13,536.47x = 74,640,827.30
  5. Step 5: Solve for x
    x = 74,640,827.30/13,536.47
  6. Step 6: Final answer
    x = 5,514.05

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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.