Home / 19,695.49-27,178.69-11,196.43

Finding the Fourth Proportional to 19,695.49, 27,178.69 and 11,196.43

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Solution

The fourth proportional to 19,695.49, 27,178.69 and 11,196.43 is: 15,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.49 : 27,178.69 = 11,196.43 : x
  2. Step 2: Convert to fraction form
    19,695.49/27,178.69 = 11,196.43/x
  3. Step 3: Cross multiply
    19,695.49x = 27,178.69 × 11,196.43
  4. Step 4: Simplify right side
    19,695.49x = 304,304,399.01
  5. Step 5: Solve for x
    x = 304,304,399.01/19,695.49
  6. Step 6: Final answer
    x = 15,450.46

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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.