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Finding the Fourth Proportional to 18,567, 25,622.46 and 10,183.50

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Solution

The fourth proportional to 18,567, 25,622.46 and 10,183.50 is: 14,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567 : 25,622.46 = 10,183.50 : x
  2. Step 2: Convert to fraction form
    18,567/25,622.46 = 10,183.50/x
  3. Step 3: Cross multiply
    18,567x = 25,622.46 × 10,183.50
  4. Step 4: Simplify right side
    18,567x = 260,926,321.41
  5. Step 5: Solve for x
    x = 260,926,321.41/18,567
  6. Step 6: Final answer
    x = 14,053.23

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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.