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Finding the Fourth Proportional to 16,843.74, 25,260.13 and 7,957.69

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Solution

The fourth proportional to 16,843.74, 25,260.13 and 7,957.69 is: 11,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.74 : 25,260.13 = 7,957.69 : x
  2. Step 2: Convert to fraction form
    16,843.74/25,260.13 = 7,957.69/x
  3. Step 3: Cross multiply
    16,843.74x = 25,260.13 × 7,957.69
  4. Step 4: Simplify right side
    16,843.74x = 201,012,283.90
  5. Step 5: Solve for x
    x = 201,012,283.90/16,843.74
  6. Step 6: Final answer
    x = 11,933.95

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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.