Home / 13,622.52-20,441.67-5,724.41

Finding the Fourth Proportional to 13,622.52, 20,441.67 and 5,724.41

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Solution

The fourth proportional to 13,622.52, 20,441.67 and 5,724.41 is: 8,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.52 : 20,441.67 = 5,724.41 : x
  2. Step 2: Convert to fraction form
    13,622.52/20,441.67 = 5,724.41/x
  3. Step 3: Cross multiply
    13,622.52x = 20,441.67 × 5,724.41
  4. Step 4: Simplify right side
    13,622.52x = 117,016,500.16
  5. Step 5: Solve for x
    x = 117,016,500.16/13,622.52
  6. Step 6: Final answer
    x = 8,589.93

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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.