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Finding the Fourth Proportional to 22,014.56, 30,372.72 and 13,064.84

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Solution

The fourth proportional to 22,014.56, 30,372.72 and 13,064.84 is: 18,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.56 : 30,372.72 = 13,064.84 : x
  2. Step 2: Convert to fraction form
    22,014.56/30,372.72 = 13,064.84/x
  3. Step 3: Cross multiply
    22,014.56x = 30,372.72 × 13,064.84
  4. Step 4: Simplify right side
    22,014.56x = 396,814,727.16
  5. Step 5: Solve for x
    x = 396,814,727.16/22,014.56
  6. Step 6: Final answer
    x = 18,025.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.