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Finding the Fourth Proportional to 17,596.64, 26,366.88 and 12,894.86

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Solution

The fourth proportional to 17,596.64, 26,366.88 and 12,894.86 is: 19,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,596.64 : 26,366.88 = 12,894.86 : x
  2. Step 2: Convert to fraction form
    17,596.64/26,366.88 = 12,894.86/x
  3. Step 3: Cross multiply
    17,596.64x = 26,366.88 × 12,894.86
  4. Step 4: Simplify right side
    17,596.64x = 339,997,226.24
  5. Step 5: Solve for x
    x = 339,997,226.24/17,596.64
  6. Step 6: Final answer
    x = 19,321.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.