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Finding the Fourth Proportional to 25,894.96, 38,815.71 and 14,183.44

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Solution

The fourth proportional to 25,894.96, 38,815.71 and 14,183.44 is: 21,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,894.96 : 38,815.71 = 14,183.44 : x
  2. Step 2: Convert to fraction form
    25,894.96/38,815.71 = 14,183.44/x
  3. Step 3: Cross multiply
    25,894.96x = 38,815.71 × 14,183.44
  4. Step 4: Simplify right side
    25,894.96x = 550,540,293.84
  5. Step 5: Solve for x
    x = 550,540,293.84/25,894.96
  6. Step 6: Final answer
    x = 21,260.52

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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.