Home / 25,917.31-38,876.04-7,198.37

Finding the Fourth Proportional to 25,917.31, 38,876.04 and 7,198.37

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Solution

The fourth proportional to 25,917.31, 38,876.04 and 7,198.37 is: 10,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.31 : 38,876.04 = 7,198.37 : x
  2. Step 2: Convert to fraction form
    25,917.31/38,876.04 = 7,198.37/x
  3. Step 3: Cross multiply
    25,917.31x = 38,876.04 × 7,198.37
  4. Step 4: Simplify right side
    25,917.31x = 279,843,925.67
  5. Step 5: Solve for x
    x = 279,843,925.67/25,917.31
  6. Step 6: Final answer
    x = 10,797.57

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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.