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Finding the Fourth Proportional to 17,372.70, 26,046.70 and 14,078.53

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Solution

The fourth proportional to 17,372.70, 26,046.70 and 14,078.53 is: 21,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.70 : 26,046.70 = 14,078.53 : x
  2. Step 2: Convert to fraction form
    17,372.70/26,046.70 = 14,078.53/x
  3. Step 3: Cross multiply
    17,372.70x = 26,046.70 × 14,078.53
  4. Step 4: Simplify right side
    17,372.70x = 366,699,244.71
  5. Step 5: Solve for x
    x = 366,699,244.71/17,372.70
  6. Step 6: Final answer
    x = 21,107.79

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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.