Home / 25,550.25-38,330-10,557.39

Finding the Fourth Proportional to 25,550.25, 38,330 and 10,557.39

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Solution

The fourth proportional to 25,550.25, 38,330 and 10,557.39 is: 15,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.25 : 38,330 = 10,557.39 : x
  2. Step 2: Convert to fraction form
    25,550.25/38,330 = 10,557.39/x
  3. Step 3: Cross multiply
    25,550.25x = 38,330 × 10,557.39
  4. Step 4: Simplify right side
    25,550.25x = 404,664,758.70
  5. Step 5: Solve for x
    x = 404,664,758.70/25,550.25
  6. Step 6: Final answer
    x = 15,838.00

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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.