Home / 18,716.94-25,826.82-11,162.64

Finding the Fourth Proportional to 18,716.94, 25,826.82 and 11,162.64

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Solution

The fourth proportional to 18,716.94, 25,826.82 and 11,162.64 is: 15,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.94 : 25,826.82 = 11,162.64 : x
  2. Step 2: Convert to fraction form
    18,716.94/25,826.82 = 11,162.64/x
  3. Step 3: Cross multiply
    18,716.94x = 25,826.82 × 11,162.64
  4. Step 4: Simplify right side
    18,716.94x = 288,295,494.00
  5. Step 5: Solve for x
    x = 288,295,494.00/18,716.94
  6. Step 6: Final answer
    x = 15,402.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.