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Finding the Fourth Proportional to 19,212.96, 26,512.96 and 10,829.44

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Solution

The fourth proportional to 19,212.96, 26,512.96 and 10,829.44 is: 14,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.96 : 26,512.96 = 10,829.44 : x
  2. Step 2: Convert to fraction form
    19,212.96/26,512.96 = 10,829.44/x
  3. Step 3: Cross multiply
    19,212.96x = 26,512.96 × 10,829.44
  4. Step 4: Simplify right side
    19,212.96x = 287,120,509.54
  5. Step 5: Solve for x
    x = 287,120,509.54/19,212.96
  6. Step 6: Final answer
    x = 14,944.11

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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.