Home / 22,679.54-31,286.86-19,530.26

Finding the Fourth Proportional to 22,679.54, 31,286.86 and 19,530.26

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Solution

The fourth proportional to 22,679.54, 31,286.86 and 19,530.26 is: 26,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.54 : 31,286.86 = 19,530.26 : x
  2. Step 2: Convert to fraction form
    22,679.54/31,286.86 = 19,530.26/x
  3. Step 3: Cross multiply
    22,679.54x = 31,286.86 × 19,530.26
  4. Step 4: Simplify right side
    22,679.54x = 611,040,510.38
  5. Step 5: Solve for x
    x = 611,040,510.38/22,679.54
  6. Step 6: Final answer
    x = 26,942.37

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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.