Home / 16,917.48-25,379.46-5,228.64

Finding the Fourth Proportional to 16,917.48, 25,379.46 and 5,228.64

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Solution

The fourth proportional to 16,917.48, 25,379.46 and 5,228.64 is: 7,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.48 : 25,379.46 = 5,228.64 : x
  2. Step 2: Convert to fraction form
    16,917.48/25,379.46 = 5,228.64/x
  3. Step 3: Cross multiply
    16,917.48x = 25,379.46 × 5,228.64
  4. Step 4: Simplify right side
    16,917.48x = 132,700,059.73
  5. Step 5: Solve for x
    x = 132,700,059.73/16,917.48
  6. Step 6: Final answer
    x = 7,843.96

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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.