Home / 18,106.22-27,163.56-5,625.60

Finding the Fourth Proportional to 18,106.22, 27,163.56 and 5,625.60

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Solution

The fourth proportional to 18,106.22, 27,163.56 and 5,625.60 is: 8,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.22 : 27,163.56 = 5,625.60 : x
  2. Step 2: Convert to fraction form
    18,106.22/27,163.56 = 5,625.60/x
  3. Step 3: Cross multiply
    18,106.22x = 27,163.56 × 5,625.60
  4. Step 4: Simplify right side
    18,106.22x = 152,811,323.14
  5. Step 5: Solve for x
    x = 152,811,323.14/18,106.22
  6. Step 6: Final answer
    x = 8,439.71

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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.