Home / 17,190.49-25,758.90-11,935.75

Finding the Fourth Proportional to 17,190.49, 25,758.90 and 11,935.75

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Solution

The fourth proportional to 17,190.49, 25,758.90 and 11,935.75 is: 17,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.49 : 25,758.90 = 11,935.75 : x
  2. Step 2: Convert to fraction form
    17,190.49/25,758.90 = 11,935.75/x
  3. Step 3: Cross multiply
    17,190.49x = 25,758.90 × 11,935.75
  4. Step 4: Simplify right side
    17,190.49x = 307,451,790.68
  5. Step 5: Solve for x
    x = 307,451,790.68/17,190.49
  6. Step 6: Final answer
    x = 17,884.99

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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.