Home / 17,118.64-25,679.52-5,433.58

Finding the Fourth Proportional to 17,118.64, 25,679.52 and 5,433.58

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Solution

The fourth proportional to 17,118.64, 25,679.52 and 5,433.58 is: 8,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.64 : 25,679.52 = 5,433.58 : x
  2. Step 2: Convert to fraction form
    17,118.64/25,679.52 = 5,433.58/x
  3. Step 3: Cross multiply
    17,118.64x = 25,679.52 × 5,433.58
  4. Step 4: Simplify right side
    17,118.64x = 139,531,726.28
  5. Step 5: Solve for x
    x = 139,531,726.28/17,118.64
  6. Step 6: Final answer
    x = 8,150.87

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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.