Home / 18,082.15-27,121.83-5,602.27

Finding the Fourth Proportional to 18,082.15, 27,121.83 and 5,602.27

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Solution

The fourth proportional to 18,082.15, 27,121.83 and 5,602.27 is: 8,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.15 : 27,121.83 = 5,602.27 : x
  2. Step 2: Convert to fraction form
    18,082.15/27,121.83 = 5,602.27/x
  3. Step 3: Cross multiply
    18,082.15x = 27,121.83 × 5,602.27
  4. Step 4: Simplify right side
    18,082.15x = 151,943,814.55
  5. Step 5: Solve for x
    x = 151,943,814.55/18,082.15
  6. Step 6: Final answer
    x = 8,402.97

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1.5x scale

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.