Home / 12,959.24-19,439.58-3,725

Finding the Fourth Proportional to 12,959.24, 19,439.58 and 3,725

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Solution

The fourth proportional to 12,959.24, 19,439.58 and 3,725 is: 5,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.24 : 19,439.58 = 3,725 : x
  2. Step 2: Convert to fraction form
    12,959.24/19,439.58 = 3,725/x
  3. Step 3: Cross multiply
    12,959.24x = 19,439.58 × 3,725
  4. Step 4: Simplify right side
    12,959.24x = 72,412,435.50
  5. Step 5: Solve for x
    x = 72,412,435.50/12,959.24
  6. Step 6: Final answer
    x = 5,587.71

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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.