Home / 17,131.16-25,709.72-7,277.36

Finding the Fourth Proportional to 17,131.16, 25,709.72 and 7,277.36

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Solution

The fourth proportional to 17,131.16, 25,709.72 and 7,277.36 is: 10,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,131.16 : 25,709.72 = 7,277.36 : x
  2. Step 2: Convert to fraction form
    17,131.16/25,709.72 = 7,277.36/x
  3. Step 3: Cross multiply
    17,131.16x = 25,709.72 × 7,277.36
  4. Step 4: Simplify right side
    17,131.16x = 187,098,723.00
  5. Step 5: Solve for x
    x = 187,098,723.00/17,131.16
  6. Step 6: Final answer
    x = 10,921.55

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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.