Home / 16,718.49-25,077.74-6,857.73

Finding the Fourth Proportional to 16,718.49, 25,077.74 and 6,857.73

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Solution

The fourth proportional to 16,718.49, 25,077.74 and 6,857.73 is: 10,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.49 : 25,077.74 = 6,857.73 : x
  2. Step 2: Convert to fraction form
    16,718.49/25,077.74 = 6,857.73/x
  3. Step 3: Cross multiply
    16,718.49x = 25,077.74 × 6,857.73
  4. Step 4: Simplify right side
    16,718.49x = 171,976,335.64
  5. Step 5: Solve for x
    x = 171,976,335.64/16,718.49
  6. Step 6: Final answer
    x = 10,286.60

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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.