Home / 25,187.79-37,753.97-10,388.61

Finding the Fourth Proportional to 25,187.79, 37,753.97 and 10,388.61

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Solution

The fourth proportional to 25,187.79, 37,753.97 and 10,388.61 is: 15,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.79 : 37,753.97 = 10,388.61 : x
  2. Step 2: Convert to fraction form
    25,187.79/37,753.97 = 10,388.61/x
  3. Step 3: Cross multiply
    25,187.79x = 37,753.97 × 10,388.61
  4. Step 4: Simplify right side
    25,187.79x = 392,211,218.34
  5. Step 5: Solve for x
    x = 392,211,218.34/25,187.79
  6. Step 6: Final answer
    x = 15,571.48

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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.