Home / 17,105.74-25,660.38-4,625.86

Finding the Fourth Proportional to 17,105.74, 25,660.38 and 4,625.86

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Solution

The fourth proportional to 17,105.74, 25,660.38 and 4,625.86 is: 6,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,105.74 : 25,660.38 = 4,625.86 : x
  2. Step 2: Convert to fraction form
    17,105.74/25,660.38 = 4,625.86/x
  3. Step 3: Cross multiply
    17,105.74x = 25,660.38 × 4,625.86
  4. Step 4: Simplify right side
    17,105.74x = 118,701,325.43
  5. Step 5: Solve for x
    x = 118,701,325.43/17,105.74
  6. Step 6: Final answer
    x = 6,939.27

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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.