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Finding the Fourth Proportional to 14,965.47, 20,633.16 and 12,266.76

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Solution

The fourth proportional to 14,965.47, 20,633.16 and 12,266.76 is: 16,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.47 : 20,633.16 = 12,266.76 : x
  2. Step 2: Convert to fraction form
    14,965.47/20,633.16 = 12,266.76/x
  3. Step 3: Cross multiply
    14,965.47x = 20,633.16 × 12,266.76
  4. Step 4: Simplify right side
    14,965.47x = 253,102,021.76
  5. Step 5: Solve for x
    x = 253,102,021.76/14,965.47
  6. Step 6: Final answer
    x = 16,912.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.