Home / 17,817.28-26,725.37-8,464.03

Finding the Fourth Proportional to 17,817.28, 26,725.37 and 8,464.03

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Solution

The fourth proportional to 17,817.28, 26,725.37 and 8,464.03 is: 12,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.28 : 26,725.37 = 8,464.03 : x
  2. Step 2: Convert to fraction form
    17,817.28/26,725.37 = 8,464.03/x
  3. Step 3: Cross multiply
    17,817.28x = 26,725.37 × 8,464.03
  4. Step 4: Simplify right side
    17,817.28x = 226,204,224.31
  5. Step 5: Solve for x
    x = 226,204,224.31/17,817.28
  6. Step 6: Final answer
    x = 12,695.78

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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.