Home / 26,993.71-37,231.23-19,821.37

Finding the Fourth Proportional to 26,993.71, 37,231.23 and 19,821.37

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Solution

The fourth proportional to 26,993.71, 37,231.23 and 19,821.37 is: 27,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.71 : 37,231.23 = 19,821.37 : x
  2. Step 2: Convert to fraction form
    26,993.71/37,231.23 = 19,821.37/x
  3. Step 3: Cross multiply
    26,993.71x = 37,231.23 × 19,821.37
  4. Step 4: Simplify right side
    26,993.71x = 737,974,036.45
  5. Step 5: Solve for x
    x = 737,974,036.45/26,993.71
  6. Step 6: Final answer
    x = 27,338.75

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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.