Home / 20,082.39-27,717.60-11,590.03

Finding the Fourth Proportional to 20,082.39, 27,717.60 and 11,590.03

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Solution

The fourth proportional to 20,082.39, 27,717.60 and 11,590.03 is: 15,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.39 : 27,717.60 = 11,590.03 : x
  2. Step 2: Convert to fraction form
    20,082.39/27,717.60 = 11,590.03/x
  3. Step 3: Cross multiply
    20,082.39x = 27,717.60 × 11,590.03
  4. Step 4: Simplify right side
    20,082.39x = 321,247,815.53
  5. Step 5: Solve for x
    x = 321,247,815.53/20,082.39
  6. Step 6: Final answer
    x = 15,996.49

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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.