Home / 19,844.84-27,384.98-11,891.48

Finding the Fourth Proportional to 19,844.84, 27,384.98 and 11,891.48

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Solution

The fourth proportional to 19,844.84, 27,384.98 and 11,891.48 is: 16,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.84 : 27,384.98 = 11,891.48 : x
  2. Step 2: Convert to fraction form
    19,844.84/27,384.98 = 11,891.48/x
  3. Step 3: Cross multiply
    19,844.84x = 27,384.98 × 11,891.48
  4. Step 4: Simplify right side
    19,844.84x = 325,647,941.97
  5. Step 5: Solve for x
    x = 325,647,941.97/19,844.84
  6. Step 6: Final answer
    x = 16,409.70

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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.