Home / 17,180.75-23,709.52-11,208.89

Finding the Fourth Proportional to 17,180.75, 23,709.52 and 11,208.89

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Solution

The fourth proportional to 17,180.75, 23,709.52 and 11,208.89 is: 15,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.75 : 23,709.52 = 11,208.89 : x
  2. Step 2: Convert to fraction form
    17,180.75/23,709.52 = 11,208.89/x
  3. Step 3: Cross multiply
    17,180.75x = 23,709.52 × 11,208.89
  4. Step 4: Simplify right side
    17,180.75x = 265,757,474.92
  5. Step 5: Solve for x
    x = 265,757,474.92/17,180.75
  6. Step 6: Final answer
    x = 15,468.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.