Home / 25,985.14-38,961.37-10,984.48

Finding the Fourth Proportional to 25,985.14, 38,961.37 and 10,984.48

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Solution

The fourth proportional to 25,985.14, 38,961.37 and 10,984.48 is: 16,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.14 : 38,961.37 = 10,984.48 : x
  2. Step 2: Convert to fraction form
    25,985.14/38,961.37 = 10,984.48/x
  3. Step 3: Cross multiply
    25,985.14x = 38,961.37 × 10,984.48
  4. Step 4: Simplify right side
    25,985.14x = 427,970,167.27
  5. Step 5: Solve for x
    x = 427,970,167.27/25,985.14
  6. Step 6: Final answer
    x = 16,469.81

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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.