Home / 13,823.92-20,724.52-5,500.36

Finding the Fourth Proportional to 13,823.92, 20,724.52 and 5,500.36

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Solution

The fourth proportional to 13,823.92, 20,724.52 and 5,500.36 is: 8,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.92 : 20,724.52 = 5,500.36 : x
  2. Step 2: Convert to fraction form
    13,823.92/20,724.52 = 5,500.36/x
  3. Step 3: Cross multiply
    13,823.92x = 20,724.52 × 5,500.36
  4. Step 4: Simplify right side
    13,823.92x = 113,992,320.83
  5. Step 5: Solve for x
    x = 113,992,320.83/13,823.92
  6. Step 6: Final answer
    x = 8,246.02

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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.