Home / 17,103.13-25,658.79-5,416.34

Finding the Fourth Proportional to 17,103.13, 25,658.79 and 5,416.34

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Solution

The fourth proportional to 17,103.13, 25,658.79 and 5,416.34 is: 8,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103.13 : 25,658.79 = 5,416.34 : x
  2. Step 2: Convert to fraction form
    17,103.13/25,658.79 = 5,416.34/x
  3. Step 3: Cross multiply
    17,103.13x = 25,658.79 × 5,416.34
  4. Step 4: Simplify right side
    17,103.13x = 138,976,730.63
  5. Step 5: Solve for x
    x = 138,976,730.63/17,103.13
  6. Step 6: Final answer
    x = 8,125.81

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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.