Home / 25,410.26-38,119.43-7,876.46

Finding the Fourth Proportional to 25,410.26, 38,119.43 and 7,876.46

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Solution

The fourth proportional to 25,410.26, 38,119.43 and 7,876.46 is: 11,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.26 : 38,119.43 = 7,876.46 : x
  2. Step 2: Convert to fraction form
    25,410.26/38,119.43 = 7,876.46/x
  3. Step 3: Cross multiply
    25,410.26x = 38,119.43 × 7,876.46
  4. Step 4: Simplify right side
    25,410.26x = 300,246,165.62
  5. Step 5: Solve for x
    x = 300,246,165.62/25,410.26
  6. Step 6: Final answer
    x = 11,815.94

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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.