Home / 13,724.45-20,593.59-5,410.44

Finding the Fourth Proportional to 13,724.45, 20,593.59 and 5,410.44

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Solution

The fourth proportional to 13,724.45, 20,593.59 and 5,410.44 is: 8,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.45 : 20,593.59 = 5,410.44 : x
  2. Step 2: Convert to fraction form
    13,724.45/20,593.59 = 5,410.44/x
  3. Step 3: Cross multiply
    13,724.45x = 20,593.59 × 5,410.44
  4. Step 4: Simplify right side
    13,724.45x = 111,420,383.08
  5. Step 5: Solve for x
    x = 111,420,383.08/13,724.45
  6. Step 6: Final answer
    x = 8,118.39

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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.