Home / 20,035.08-27,648.90-11,082.75

Finding the Fourth Proportional to 20,035.08, 27,648.90 and 11,082.75

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Solution

The fourth proportional to 20,035.08, 27,648.90 and 11,082.75 is: 15,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.08 : 27,648.90 = 11,082.75 : x
  2. Step 2: Convert to fraction form
    20,035.08/27,648.90 = 11,082.75/x
  3. Step 3: Cross multiply
    20,035.08x = 27,648.90 × 11,082.75
  4. Step 4: Simplify right side
    20,035.08x = 306,425,791.06
  5. Step 5: Solve for x
    x = 306,425,791.06/20,035.08
  6. Step 6: Final answer
    x = 15,294.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.