Home / 13,656.18-20,481.99-3,796.46

Finding the Fourth Proportional to 13,656.18, 20,481.99 and 3,796.46

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Solution

The fourth proportional to 13,656.18, 20,481.99 and 3,796.46 is: 5,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.18 : 20,481.99 = 3,796.46 : x
  2. Step 2: Convert to fraction form
    13,656.18/20,481.99 = 3,796.46/x
  3. Step 3: Cross multiply
    13,656.18x = 20,481.99 × 3,796.46
  4. Step 4: Simplify right side
    13,656.18x = 77,758,953.35
  5. Step 5: Solve for x
    x = 77,758,953.35/13,656.18
  6. Step 6: Final answer
    x = 5,694.05

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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.