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Finding the Fourth Proportional to 14,994.61, 20,700.47 and 9,692.44

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Solution

The fourth proportional to 14,994.61, 20,700.47 and 9,692.44 is: 13,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.61 : 20,700.47 = 9,692.44 : x
  2. Step 2: Convert to fraction form
    14,994.61/20,700.47 = 9,692.44/x
  3. Step 3: Cross multiply
    14,994.61x = 20,700.47 × 9,692.44
  4. Step 4: Simplify right side
    14,994.61x = 200,638,063.45
  5. Step 5: Solve for x
    x = 200,638,063.45/14,994.61
  6. Step 6: Final answer
    x = 13,380.68

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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.