Home / 12,959.82-19,436.49-4,197.24

Finding the Fourth Proportional to 12,959.82, 19,436.49 and 4,197.24

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Solution

The fourth proportional to 12,959.82, 19,436.49 and 4,197.24 is: 6,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.82 : 19,436.49 = 4,197.24 : x
  2. Step 2: Convert to fraction form
    12,959.82/19,436.49 = 4,197.24/x
  3. Step 3: Cross multiply
    12,959.82x = 19,436.49 × 4,197.24
  4. Step 4: Simplify right side
    12,959.82x = 81,579,613.29
  5. Step 5: Solve for x
    x = 81,579,613.29/12,959.82
  6. Step 6: Final answer
    x = 6,294.81

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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.