Home / 19,286.92-28,922.82-6,804.28

Finding the Fourth Proportional to 19,286.92, 28,922.82 and 6,804.28

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Solution

The fourth proportional to 19,286.92, 28,922.82 and 6,804.28 is: 10,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.92 : 28,922.82 = 6,804.28 : x
  2. Step 2: Convert to fraction form
    19,286.92/28,922.82 = 6,804.28/x
  3. Step 3: Cross multiply
    19,286.92x = 28,922.82 × 6,804.28
  4. Step 4: Simplify right side
    19,286.92x = 196,798,965.67
  5. Step 5: Solve for x
    x = 196,798,965.67/19,286.92
  6. Step 6: Final answer
    x = 10,203.75

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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.