Home / 25,395.54-38,099.41-7,865.37

Finding the Fourth Proportional to 25,395.54, 38,099.41 and 7,865.37

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Solution

The fourth proportional to 25,395.54, 38,099.41 and 7,865.37 is: 11,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,395.54 : 38,099.41 = 7,865.37 : x
  2. Step 2: Convert to fraction form
    25,395.54/38,099.41 = 7,865.37/x
  3. Step 3: Cross multiply
    25,395.54x = 38,099.41 × 7,865.37
  4. Step 4: Simplify right side
    25,395.54x = 299,665,981.01
  5. Step 5: Solve for x
    x = 299,665,981.01/25,395.54
  6. Step 6: Final answer
    x = 11,799.94

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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.