Home / 12,756.69-19,116.27-11,192.85

Finding the Fourth Proportional to 12,756.69, 19,116.27 and 11,192.85

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Solution

The fourth proportional to 12,756.69, 19,116.27 and 11,192.85 is: 16,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.69 : 19,116.27 = 11,192.85 : x
  2. Step 2: Convert to fraction form
    12,756.69/19,116.27 = 11,192.85/x
  3. Step 3: Cross multiply
    12,756.69x = 19,116.27 × 11,192.85
  4. Step 4: Simplify right side
    12,756.69x = 213,965,542.67
  5. Step 5: Solve for x
    x = 213,965,542.67/12,756.69
  6. Step 6: Final answer
    x = 16,772.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.