Home / 17,399.69-26,102.77-7,912.68

Finding the Fourth Proportional to 17,399.69, 26,102.77 and 7,912.68

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Solution

The fourth proportional to 17,399.69, 26,102.77 and 7,912.68 is: 11,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.69 : 26,102.77 = 7,912.68 : x
  2. Step 2: Convert to fraction form
    17,399.69/26,102.77 = 7,912.68/x
  3. Step 3: Cross multiply
    17,399.69x = 26,102.77 × 7,912.68
  4. Step 4: Simplify right side
    17,399.69x = 206,542,866.12
  5. Step 5: Solve for x
    x = 206,542,866.12/17,399.69
  6. Step 6: Final answer
    x = 11,870.49

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1.5x scale

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.