Home / 12,474.22-17,216.56-11,913.70

Finding the Fourth Proportional to 12,474.22, 17,216.56 and 11,913.70

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Solution

The fourth proportional to 12,474.22, 17,216.56 and 11,913.70 is: 16,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.22 : 17,216.56 = 11,913.70 : x
  2. Step 2: Convert to fraction form
    12,474.22/17,216.56 = 11,913.70/x
  3. Step 3: Cross multiply
    12,474.22x = 17,216.56 × 11,913.70
  4. Step 4: Simplify right side
    12,474.22x = 205,112,930.87
  5. Step 5: Solve for x
    x = 205,112,930.87/12,474.22
  6. Step 6: Final answer
    x = 16,442.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.