Home / 17,102.55-25,636.38-9,691.35

Finding the Fourth Proportional to 17,102.55, 25,636.38 and 9,691.35

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Solution

The fourth proportional to 17,102.55, 25,636.38 and 9,691.35 is: 14,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.55 : 25,636.38 = 9,691.35 : x
  2. Step 2: Convert to fraction form
    17,102.55/25,636.38 = 9,691.35/x
  3. Step 3: Cross multiply
    17,102.55x = 25,636.38 × 9,691.35
  4. Step 4: Simplify right side
    17,102.55x = 248,451,131.31
  5. Step 5: Solve for x
    x = 248,451,131.31/17,102.55
  6. Step 6: Final answer
    x = 14,527.14

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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.