Home / 25,864-38,791.68-9,223.36

Finding the Fourth Proportional to 25,864, 38,791.68 and 9,223.36

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Solution

The fourth proportional to 25,864, 38,791.68 and 9,223.36 is: 13,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,864 : 38,791.68 = 9,223.36 : x
  2. Step 2: Convert to fraction form
    25,864/38,791.68 = 9,223.36/x
  3. Step 3: Cross multiply
    25,864x = 38,791.68 × 9,223.36
  4. Step 4: Simplify right side
    25,864x = 357,789,629.64
  5. Step 5: Solve for x
    x = 357,789,629.64/25,864
  6. Step 6: Final answer
    x = 13,833.50

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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.