Home / 19,550.97-26,979.68-11,588.47

Finding the Fourth Proportional to 19,550.97, 26,979.68 and 11,588.47

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Solution

The fourth proportional to 19,550.97, 26,979.68 and 11,588.47 is: 15,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.97 : 26,979.68 = 11,588.47 : x
  2. Step 2: Convert to fraction form
    19,550.97/26,979.68 = 11,588.47/x
  3. Step 3: Cross multiply
    19,550.97x = 26,979.68 × 11,588.47
  4. Step 4: Simplify right side
    19,550.97x = 312,653,173.81
  5. Step 5: Solve for x
    x = 312,653,173.81/19,550.97
  6. Step 6: Final answer
    x = 15,991.70

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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.