Home / 17,149.91-25,725.87-6,620.00

Finding the Fourth Proportional to 17,149.91, 25,725.87 and 6,620.00

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Solution

The fourth proportional to 17,149.91, 25,725.87 and 6,620.00 is: 9,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.91 : 25,725.87 = 6,620.00 : x
  2. Step 2: Convert to fraction form
    17,149.91/25,725.87 = 6,620.00/x
  3. Step 3: Cross multiply
    17,149.91x = 25,725.87 × 6,620.00
  4. Step 4: Simplify right side
    17,149.91x = 170,305,130.77
  5. Step 5: Solve for x
    x = 170,305,130.77/17,149.91
  6. Step 6: Final answer
    x = 9,930.38

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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.