Home / 21,082.26-31,625.25-5,500.02

Finding the Fourth Proportional to 21,082.26, 31,625.25 and 5,500.02

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Solution

The fourth proportional to 21,082.26, 31,625.25 and 5,500.02 is: 8,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.26 : 31,625.25 = 5,500.02 : x
  2. Step 2: Convert to fraction form
    21,082.26/31,625.25 = 5,500.02/x
  3. Step 3: Cross multiply
    21,082.26x = 31,625.25 × 5,500.02
  4. Step 4: Simplify right side
    21,082.26x = 173,939,507.51
  5. Step 5: Solve for x
    x = 173,939,507.51/21,082.26
  6. Step 6: Final answer
    x = 8,250.52

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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.