Home / 19,888.38-27,446.08-10,936.47

Finding the Fourth Proportional to 19,888.38, 27,446.08 and 10,936.47

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Solution

The fourth proportional to 19,888.38, 27,446.08 and 10,936.47 is: 15,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.38 : 27,446.08 = 10,936.47 : x
  2. Step 2: Convert to fraction form
    19,888.38/27,446.08 = 10,936.47/x
  3. Step 3: Cross multiply
    19,888.38x = 27,446.08 × 10,936.47
  4. Step 4: Simplify right side
    19,888.38x = 300,163,230.54
  5. Step 5: Solve for x
    x = 300,163,230.54/19,888.38
  6. Step 6: Final answer
    x = 15,092.39

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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.