Home / 17,469.78-26,196.60-5,621.35

Finding the Fourth Proportional to 17,469.78, 26,196.60 and 5,621.35

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Solution

The fourth proportional to 17,469.78, 26,196.60 and 5,621.35 is: 8,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.78 : 26,196.60 = 5,621.35 : x
  2. Step 2: Convert to fraction form
    17,469.78/26,196.60 = 5,621.35/x
  3. Step 3: Cross multiply
    17,469.78x = 26,196.60 × 5,621.35
  4. Step 4: Simplify right side
    17,469.78x = 147,260,257.41
  5. Step 5: Solve for x
    x = 147,260,257.41/17,469.78
  6. Step 6: Final answer
    x = 8,429.43

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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.