Home / 12,475.22-17,217.94-11,914.70

Finding the Fourth Proportional to 12,475.22, 17,217.94 and 11,914.70

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Solution

The fourth proportional to 12,475.22, 17,217.94 and 11,914.70 is: 16,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.22 : 17,217.94 = 11,914.70 : x
  2. Step 2: Convert to fraction form
    12,475.22/17,217.94 = 11,914.70/x
  3. Step 3: Cross multiply
    12,475.22x = 17,217.94 × 11,914.70
  4. Step 4: Simplify right side
    12,475.22x = 205,146,589.72
  5. Step 5: Solve for x
    x = 205,146,589.72/12,475.22
  6. Step 6: Final answer
    x = 16,444.33

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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.