Home / 12,336.24-17,138.12-12,220.94

Finding the Fourth Proportional to 12,336.24, 17,138.12 and 12,220.94

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Solution

The fourth proportional to 12,336.24, 17,138.12 and 12,220.94 is: 16,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.24 : 17,138.12 = 12,220.94 : x
  2. Step 2: Convert to fraction form
    12,336.24/17,138.12 = 12,220.94/x
  3. Step 3: Cross multiply
    12,336.24x = 17,138.12 × 12,220.94
  4. Step 4: Simplify right side
    12,336.24x = 209,443,936.23
  5. Step 5: Solve for x
    x = 209,443,936.23/12,336.24
  6. Step 6: Final answer
    x = 16,977.94

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.