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Finding the Fourth Proportional to 18,907.92, 26,091.36 and 10,524.96

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Solution

The fourth proportional to 18,907.92, 26,091.36 and 10,524.96 is: 14,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.92 : 26,091.36 = 10,524.96 : x
  2. Step 2: Convert to fraction form
    18,907.92/26,091.36 = 10,524.96/x
  3. Step 3: Cross multiply
    18,907.92x = 26,091.36 × 10,524.96
  4. Step 4: Simplify right side
    18,907.92x = 274,610,520.35
  5. Step 5: Solve for x
    x = 274,610,520.35/18,907.92
  6. Step 6: Final answer
    x = 14,523.57

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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.