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Finding the Fourth Proportional to 18,474.06, 25,500.69 and 11,022.06

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Solution

The fourth proportional to 18,474.06, 25,500.69 and 11,022.06 is: 15,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.06 : 25,500.69 = 11,022.06 : x
  2. Step 2: Convert to fraction form
    18,474.06/25,500.69 = 11,022.06/x
  3. Step 3: Cross multiply
    18,474.06x = 25,500.69 × 11,022.06
  4. Step 4: Simplify right side
    18,474.06x = 281,070,135.22
  5. Step 5: Solve for x
    x = 281,070,135.22/18,474.06
  6. Step 6: Final answer
    x = 15,214.31

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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.