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Finding the Fourth Proportional to 14,893.58, 20,553.11 and 8,179.26

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Solution

The fourth proportional to 14,893.58, 20,553.11 and 8,179.26 is: 11,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.58 : 20,553.11 = 8,179.26 : x
  2. Step 2: Convert to fraction form
    14,893.58/20,553.11 = 8,179.26/x
  3. Step 3: Cross multiply
    14,893.58x = 20,553.11 × 8,179.26
  4. Step 4: Simplify right side
    14,893.58x = 168,109,258.81
  5. Step 5: Solve for x
    x = 168,109,258.81/14,893.58
  6. Step 6: Final answer
    x = 11,287.37

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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.