Home / 17,178.21-25,766.98-5,491.42

Finding the Fourth Proportional to 17,178.21, 25,766.98 and 5,491.42

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Solution

The fourth proportional to 17,178.21, 25,766.98 and 5,491.42 is: 8,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.21 : 25,766.98 = 5,491.42 : x
  2. Step 2: Convert to fraction form
    17,178.21/25,766.98 = 5,491.42/x
  3. Step 3: Cross multiply
    17,178.21x = 25,766.98 × 5,491.42
  4. Step 4: Simplify right side
    17,178.21x = 141,497,231.17
  5. Step 5: Solve for x
    x = 141,497,231.17/17,178.21
  6. Step 6: Final answer
    x = 8,237.02

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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.