Home / 17,745.30-26,639.55-8,975.70

Finding the Fourth Proportional to 17,745.30, 26,639.55 and 8,975.70

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Solution

The fourth proportional to 17,745.30, 26,639.55 and 8,975.70 is: 13,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.30 : 26,639.55 = 8,975.70 : x
  2. Step 2: Convert to fraction form
    17,745.30/26,639.55 = 8,975.70/x
  3. Step 3: Cross multiply
    17,745.30x = 26,639.55 × 8,975.70
  4. Step 4: Simplify right side
    17,745.30x = 239,108,608.94
  5. Step 5: Solve for x
    x = 239,108,608.94/17,745.30
  6. Step 6: Final answer
    x = 13,474.48

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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.