Home / 17,384.94-26,078.31-13,231.44

Finding the Fourth Proportional to 17,384.94, 26,078.31 and 13,231.44

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Solution

The fourth proportional to 17,384.94, 26,078.31 and 13,231.44 is: 19,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,384.94 : 26,078.31 = 13,231.44 : x
  2. Step 2: Convert to fraction form
    17,384.94/26,078.31 = 13,231.44/x
  3. Step 3: Cross multiply
    17,384.94x = 26,078.31 × 13,231.44
  4. Step 4: Simplify right side
    17,384.94x = 345,053,594.07
  5. Step 5: Solve for x
    x = 345,053,594.07/17,384.94
  6. Step 6: Final answer
    x = 19,847.84

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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.