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Finding the Fourth Proportional to 14,910.01, 20,579.68 and 9,241.43

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Solution

The fourth proportional to 14,910.01, 20,579.68 and 9,241.43 is: 12,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.01 : 20,579.68 = 9,241.43 : x
  2. Step 2: Convert to fraction form
    14,910.01/20,579.68 = 9,241.43/x
  3. Step 3: Cross multiply
    14,910.01x = 20,579.68 × 9,241.43
  4. Step 4: Simplify right side
    14,910.01x = 190,185,672.14
  5. Step 5: Solve for x
    x = 190,185,672.14/14,910.01
  6. Step 6: Final answer
    x = 12,755.57

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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.