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Finding the Fourth Proportional to 14,863.19, 20,504.14 and 8,893.66

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Solution

The fourth proportional to 14,863.19, 20,504.14 and 8,893.66 is: 12,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.19 : 20,504.14 = 8,893.66 : x
  2. Step 2: Convert to fraction form
    14,863.19/20,504.14 = 8,893.66/x
  3. Step 3: Cross multiply
    14,863.19x = 20,504.14 × 8,893.66
  4. Step 4: Simplify right side
    14,863.19x = 182,356,849.75
  5. Step 5: Solve for x
    x = 182,356,849.75/14,863.19
  6. Step 6: Final answer
    x = 12,269.03

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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.