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Finding the Fourth Proportional to 14,893.14, 20,553.42 and 8,607.54

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Solution

The fourth proportional to 14,893.14, 20,553.42 and 8,607.54 is: 11,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.14 : 20,553.42 = 8,607.54 : x
  2. Step 2: Convert to fraction form
    14,893.14/20,553.42 = 8,607.54/x
  3. Step 3: Cross multiply
    14,893.14x = 20,553.42 × 8,607.54
  4. Step 4: Simplify right side
    14,893.14x = 176,914,384.79
  5. Step 5: Solve for x
    x = 176,914,384.79/14,893.14
  6. Step 6: Final answer
    x = 11,878.92

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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.