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Finding the Fourth Proportional to 14,692.25, 20,283.96 and 8,951.87

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Solution

The fourth proportional to 14,692.25, 20,283.96 and 8,951.87 is: 12,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.25 : 20,283.96 = 8,951.87 : x
  2. Step 2: Convert to fraction form
    14,692.25/20,283.96 = 8,951.87/x
  3. Step 3: Cross multiply
    14,692.25x = 20,283.96 × 8,951.87
  4. Step 4: Simplify right side
    14,692.25x = 181,579,375.98
  5. Step 5: Solve for x
    x = 181,579,375.98/14,692.25
  6. Step 6: Final answer
    x = 12,358.85

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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.