Home / 17,190.66-25,810.62-12,761.98

Finding the Fourth Proportional to 17,190.66, 25,810.62 and 12,761.98

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Solution

The fourth proportional to 17,190.66, 25,810.62 and 12,761.98 is: 19,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.66 : 25,810.62 = 12,761.98 : x
  2. Step 2: Convert to fraction form
    17,190.66/25,810.62 = 12,761.98/x
  3. Step 3: Cross multiply
    17,190.66x = 25,810.62 × 12,761.98
  4. Step 4: Simplify right side
    17,190.66x = 329,394,684.12
  5. Step 5: Solve for x
    x = 329,394,684.12/17,190.66
  6. Step 6: Final answer
    x = 19,161.26

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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.