Home / 17,218.59-25,811.37-5,523.81

Finding the Fourth Proportional to 17,218.59, 25,811.37 and 5,523.81

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Solution

The fourth proportional to 17,218.59, 25,811.37 and 5,523.81 is: 8,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.59 : 25,811.37 = 5,523.81 : x
  2. Step 2: Convert to fraction form
    17,218.59/25,811.37 = 5,523.81/x
  3. Step 3: Cross multiply
    17,218.59x = 25,811.37 × 5,523.81
  4. Step 4: Simplify right side
    17,218.59x = 142,577,103.72
  5. Step 5: Solve for x
    x = 142,577,103.72/17,218.59
  6. Step 6: Final answer
    x = 8,280.42

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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.