Home / 17,891.75-26,834.60-4,745.45

Finding the Fourth Proportional to 17,891.75, 26,834.60 and 4,745.45

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Solution

The fourth proportional to 17,891.75, 26,834.60 and 4,745.45 is: 7,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.75 : 26,834.60 = 4,745.45 : x
  2. Step 2: Convert to fraction form
    17,891.75/26,834.60 = 4,745.45/x
  3. Step 3: Cross multiply
    17,891.75x = 26,834.60 × 4,745.45
  4. Step 4: Simplify right side
    17,891.75x = 127,342,331.52
  5. Step 5: Solve for x
    x = 127,342,331.52/17,891.75
  6. Step 6: Final answer
    x = 7,117.38

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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.