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Finding the Fourth Proportional to 18,174.14, 25,082.88 and 10,216.88

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Solution

The fourth proportional to 18,174.14, 25,082.88 and 10,216.88 is: 14,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.14 : 25,082.88 = 10,216.88 : x
  2. Step 2: Convert to fraction form
    18,174.14/25,082.88 = 10,216.88/x
  3. Step 3: Cross multiply
    18,174.14x = 25,082.88 × 10,216.88
  4. Step 4: Simplify right side
    18,174.14x = 256,268,775.01
  5. Step 5: Solve for x
    x = 256,268,775.01/18,174.14
  6. Step 6: Final answer
    x = 14,100.74

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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.