Home / 15,286.26-22,921.82-5,424.06

Finding the Fourth Proportional to 15,286.26, 22,921.82 and 5,424.06

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Solution

The fourth proportional to 15,286.26, 22,921.82 and 5,424.06 is: 8,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.26 : 22,921.82 = 5,424.06 : x
  2. Step 2: Convert to fraction form
    15,286.26/22,921.82 = 5,424.06/x
  3. Step 3: Cross multiply
    15,286.26x = 22,921.82 × 5,424.06
  4. Step 4: Simplify right side
    15,286.26x = 124,329,326.99
  5. Step 5: Solve for x
    x = 124,329,326.99/15,286.26
  6. Step 6: Final answer
    x = 8,133.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.