Home / 17,278.40-25,876.06-9,860.36

Finding the Fourth Proportional to 17,278.40, 25,876.06 and 9,860.36

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Solution

The fourth proportional to 17,278.40, 25,876.06 and 9,860.36 is: 14,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.40 : 25,876.06 = 9,860.36 : x
  2. Step 2: Convert to fraction form
    17,278.40/25,876.06 = 9,860.36/x
  3. Step 3: Cross multiply
    17,278.40x = 25,876.06 × 9,860.36
  4. Step 4: Simplify right side
    17,278.40x = 255,147,266.98
  5. Step 5: Solve for x
    x = 255,147,266.98/17,278.40
  6. Step 6: Final answer
    x = 14,766.83

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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.