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Finding the Fourth Proportional to 18,893.87, 26,073.55 and 10,395.82

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Solution

The fourth proportional to 18,893.87, 26,073.55 and 10,395.82 is: 14,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.87 : 26,073.55 = 10,395.82 : x
  2. Step 2: Convert to fraction form
    18,893.87/26,073.55 = 10,395.82/x
  3. Step 3: Cross multiply
    18,893.87x = 26,073.55 × 10,395.82
  4. Step 4: Simplify right side
    18,893.87x = 271,055,773.01
  5. Step 5: Solve for x
    x = 271,055,773.01/18,893.87
  6. Step 6: Final answer
    x = 14,346.23

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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.