Home / 16,930.36-25,395.54-8,163.64

Finding the Fourth Proportional to 16,930.36, 25,395.54 and 8,163.64

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Solution

The fourth proportional to 16,930.36, 25,395.54 and 8,163.64 is: 12,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.36 : 25,395.54 = 8,163.64 : x
  2. Step 2: Convert to fraction form
    16,930.36/25,395.54 = 8,163.64/x
  3. Step 3: Cross multiply
    16,930.36x = 25,395.54 × 8,163.64
  4. Step 4: Simplify right side
    16,930.36x = 207,320,046.17
  5. Step 5: Solve for x
    x = 207,320,046.17/16,930.36
  6. Step 6: Final answer
    x = 12,245.46

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1.5x scale

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.