Home / 26,651.25-39,977.09-9,121.23

Finding the Fourth Proportional to 26,651.25, 39,977.09 and 9,121.23

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Solution

The fourth proportional to 26,651.25, 39,977.09 and 9,121.23 is: 13,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,651.25 : 39,977.09 = 9,121.23 : x
  2. Step 2: Convert to fraction form
    26,651.25/39,977.09 = 9,121.23/x
  3. Step 3: Cross multiply
    26,651.25x = 39,977.09 × 9,121.23
  4. Step 4: Simplify right side
    26,651.25x = 364,640,187.01
  5. Step 5: Solve for x
    x = 364,640,187.01/26,651.25
  6. Step 6: Final answer
    x = 13,681.92

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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.