Home / 16,911.44-25,377.24-9,421.28

Finding the Fourth Proportional to 16,911.44, 25,377.24 and 9,421.28

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Solution

The fourth proportional to 16,911.44, 25,377.24 and 9,421.28 is: 14,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.44 : 25,377.24 = 9,421.28 : x
  2. Step 2: Convert to fraction form
    16,911.44/25,377.24 = 9,421.28/x
  3. Step 3: Cross multiply
    16,911.44x = 25,377.24 × 9,421.28
  4. Step 4: Simplify right side
    16,911.44x = 239,086,083.67
  5. Step 5: Solve for x
    x = 239,086,083.67/16,911.44
  6. Step 6: Final answer
    x = 14,137.54

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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.