Home / 17,104.05-25,653.51-5,415.75

Finding the Fourth Proportional to 17,104.05, 25,653.51 and 5,415.75

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Solution

The fourth proportional to 17,104.05, 25,653.51 and 5,415.75 is: 8,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.05 : 25,653.51 = 5,415.75 : x
  2. Step 2: Convert to fraction form
    17,104.05/25,653.51 = 5,415.75/x
  3. Step 3: Cross multiply
    17,104.05x = 25,653.51 × 5,415.75
  4. Step 4: Simplify right side
    17,104.05x = 138,932,996.78
  5. Step 5: Solve for x
    x = 138,932,996.78/17,104.05
  6. Step 6: Final answer
    x = 8,122.81

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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.