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Finding the Fourth Proportional to 18,893.92, 26,073.96 and 10,396.36

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Solution

The fourth proportional to 18,893.92, 26,073.96 and 10,396.36 is: 14,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.92 : 26,073.96 = 10,396.36 : x
  2. Step 2: Convert to fraction form
    18,893.92/26,073.96 = 10,396.36/x
  3. Step 3: Cross multiply
    18,893.92x = 26,073.96 × 10,396.36
  4. Step 4: Simplify right side
    18,893.92x = 271,074,274.79
  5. Step 5: Solve for x
    x = 271,074,274.79/18,893.92
  6. Step 6: Final answer
    x = 14,347.17

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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.