Home / 16,789.26-25,161.99-6,918.60

Finding the Fourth Proportional to 16,789.26, 25,161.99 and 6,918.60

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Solution

The fourth proportional to 16,789.26, 25,161.99 and 6,918.60 is: 10,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.26 : 25,161.99 = 6,918.60 : x
  2. Step 2: Convert to fraction form
    16,789.26/25,161.99 = 6,918.60/x
  3. Step 3: Cross multiply
    16,789.26x = 25,161.99 × 6,918.60
  4. Step 4: Simplify right side
    16,789.26x = 174,085,744.01
  5. Step 5: Solve for x
    x = 174,085,744.01/16,789.26
  6. Step 6: Final answer
    x = 10,368.88

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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.