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Finding the Fourth Proportional to 18,593.68, 25,501.96 and 16,494.16

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Solution

The fourth proportional to 18,593.68, 25,501.96 and 16,494.16 is: 22,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.68 : 25,501.96 = 16,494.16 : x
  2. Step 2: Convert to fraction form
    18,593.68/25,501.96 = 16,494.16/x
  3. Step 3: Cross multiply
    18,593.68x = 25,501.96 × 16,494.16
  4. Step 4: Simplify right side
    18,593.68x = 420,633,408.55
  5. Step 5: Solve for x
    x = 420,633,408.55/18,593.68
  6. Step 6: Final answer
    x = 22,622.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.