Home / 19,805.97-27,329.64-11,845.29

Finding the Fourth Proportional to 19,805.97, 27,329.64 and 11,845.29

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Solution

The fourth proportional to 19,805.97, 27,329.64 and 11,845.29 is: 16,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.97 : 27,329.64 = 11,845.29 : x
  2. Step 2: Convert to fraction form
    19,805.97/27,329.64 = 11,845.29/x
  3. Step 3: Cross multiply
    19,805.97x = 27,329.64 × 11,845.29
  4. Step 4: Simplify right side
    19,805.97x = 323,727,511.40
  5. Step 5: Solve for x
    x = 323,727,511.40/19,805.97
  6. Step 6: Final answer
    x = 16,344.95

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1.5x scale

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.