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Finding the Fourth Proportional to 18,692.43, 25,796.37 and 10,737.15

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Solution

The fourth proportional to 18,692.43, 25,796.37 and 10,737.15 is: 14,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.43 : 25,796.37 = 10,737.15 : x
  2. Step 2: Convert to fraction form
    18,692.43/25,796.37 = 10,737.15/x
  3. Step 3: Cross multiply
    18,692.43x = 25,796.37 × 10,737.15
  4. Step 4: Simplify right side
    18,692.43x = 276,979,494.15
  5. Step 5: Solve for x
    x = 276,979,494.15/18,692.43
  6. Step 6: Final answer
    x = 14,817.74

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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.