Home / 19,288.97-28,935.75-6,806.41

Finding the Fourth Proportional to 19,288.97, 28,935.75 and 6,806.41

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Solution

The fourth proportional to 19,288.97, 28,935.75 and 6,806.41 is: 10,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.97 : 28,935.75 = 6,806.41 : x
  2. Step 2: Convert to fraction form
    19,288.97/28,935.75 = 6,806.41/x
  3. Step 3: Cross multiply
    19,288.97x = 28,935.75 × 6,806.41
  4. Step 4: Simplify right side
    19,288.97x = 196,948,433.48
  5. Step 5: Solve for x
    x = 196,948,433.48/19,288.97
  6. Step 6: Final answer
    x = 10,210.42

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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.