Home / 17,239.78-25,859.76-6,851.56

Finding the Fourth Proportional to 17,239.78, 25,859.76 and 6,851.56

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Solution

The fourth proportional to 17,239.78, 25,859.76 and 6,851.56 is: 10,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.78 : 25,859.76 = 6,851.56 : x
  2. Step 2: Convert to fraction form
    17,239.78/25,859.76 = 6,851.56/x
  3. Step 3: Cross multiply
    17,239.78x = 25,859.76 × 6,851.56
  4. Step 4: Simplify right side
    17,239.78x = 177,179,697.23
  5. Step 5: Solve for x
    x = 177,179,697.23/17,239.78
  6. Step 6: Final answer
    x = 10,277.38

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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.