Home / 17,399.26-26,078.78-8,019.66

Finding the Fourth Proportional to 17,399.26, 26,078.78 and 8,019.66

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Solution

The fourth proportional to 17,399.26, 26,078.78 and 8,019.66 is: 12,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.26 : 26,078.78 = 8,019.66 : x
  2. Step 2: Convert to fraction form
    17,399.26/26,078.78 = 8,019.66/x
  3. Step 3: Cross multiply
    17,399.26x = 26,078.78 × 8,019.66
  4. Step 4: Simplify right side
    17,399.26x = 209,142,948.81
  5. Step 5: Solve for x
    x = 209,142,948.81/17,399.26
  6. Step 6: Final answer
    x = 12,020.22

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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.