Home / 17,940.47-26,893.24-8,578.06

Finding the Fourth Proportional to 17,940.47, 26,893.24 and 8,578.06

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Solution

The fourth proportional to 17,940.47, 26,893.24 and 8,578.06 is: 12,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.47 : 26,893.24 = 8,578.06 : x
  2. Step 2: Convert to fraction form
    17,940.47/26,893.24 = 8,578.06/x
  3. Step 3: Cross multiply
    17,940.47x = 26,893.24 × 8,578.06
  4. Step 4: Simplify right side
    17,940.47x = 230,691,737.64
  5. Step 5: Solve for x
    x = 230,691,737.64/17,940.47
  6. Step 6: Final answer
    x = 12,858.74

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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.