Home / 19,178.66-28,766.16-6,696.36

Finding the Fourth Proportional to 19,178.66, 28,766.16 and 6,696.36

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Solution

The fourth proportional to 19,178.66, 28,766.16 and 6,696.36 is: 10,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.66 : 28,766.16 = 6,696.36 : x
  2. Step 2: Convert to fraction form
    19,178.66/28,766.16 = 6,696.36/x
  3. Step 3: Cross multiply
    19,178.66x = 28,766.16 × 6,696.36
  4. Step 4: Simplify right side
    19,178.66x = 192,628,563.18
  5. Step 5: Solve for x
    x = 192,628,563.18/19,178.66
  6. Step 6: Final answer
    x = 10,043.90

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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.