Home / 19,694.43-27,178.65-11,196.36

Finding the Fourth Proportional to 19,694.43, 27,178.65 and 11,196.36

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Solution

The fourth proportional to 19,694.43, 27,178.65 and 11,196.36 is: 15,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.43 : 27,178.65 = 11,196.36 : x
  2. Step 2: Convert to fraction form
    19,694.43/27,178.65 = 11,196.36/x
  3. Step 3: Cross multiply
    19,694.43x = 27,178.65 × 11,196.36
  4. Step 4: Simplify right side
    19,694.43x = 304,301,949.71
  5. Step 5: Solve for x
    x = 304,301,949.71/19,694.43
  6. Step 6: Final answer
    x = 15,451.17

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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.