Home / 26,122.64-39,157.11-10,321.25

Finding the Fourth Proportional to 26,122.64, 39,157.11 and 10,321.25

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Solution

The fourth proportional to 26,122.64, 39,157.11 and 10,321.25 is: 15,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,122.64 : 39,157.11 = 10,321.25 : x
  2. Step 2: Convert to fraction form
    26,122.64/39,157.11 = 10,321.25/x
  3. Step 3: Cross multiply
    26,122.64x = 39,157.11 × 10,321.25
  4. Step 4: Simplify right side
    26,122.64x = 404,150,125.80
  5. Step 5: Solve for x
    x = 404,150,125.80/26,122.64
  6. Step 6: Final answer
    x = 15,471.26

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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.