Home / 20,082.27-27,694.44-13,356.22

Finding the Fourth Proportional to 20,082.27, 27,694.44 and 13,356.22

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Solution

The fourth proportional to 20,082.27, 27,694.44 and 13,356.22 is: 18,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.27 : 27,694.44 = 13,356.22 : x
  2. Step 2: Convert to fraction form
    20,082.27/27,694.44 = 13,356.22/x
  3. Step 3: Cross multiply
    20,082.27x = 27,694.44 × 13,356.22
  4. Step 4: Simplify right side
    20,082.27x = 369,893,033.42
  5. Step 5: Solve for x
    x = 369,893,033.42/20,082.27
  6. Step 6: Final answer
    x = 18,418.89

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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.