Home / 17,097.21-25,643.24-5,408.91

Finding the Fourth Proportional to 17,097.21, 25,643.24 and 5,408.91

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Solution

The fourth proportional to 17,097.21, 25,643.24 and 5,408.91 is: 8,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,097.21 : 25,643.24 = 5,408.91 : x
  2. Step 2: Convert to fraction form
    17,097.21/25,643.24 = 5,408.91/x
  3. Step 3: Cross multiply
    17,097.21x = 25,643.24 × 5,408.91
  4. Step 4: Simplify right side
    17,097.21x = 138,701,990.79
  5. Step 5: Solve for x
    x = 138,701,990.79/17,097.21
  6. Step 6: Final answer
    x = 8,112.55

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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.