Home / 18,246.94-25,180.81-9,863.44

Finding the Fourth Proportional to 18,246.94, 25,180.81 and 9,863.44

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Solution

The fourth proportional to 18,246.94, 25,180.81 and 9,863.44 is: 13,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.94 : 25,180.81 = 9,863.44 : x
  2. Step 2: Convert to fraction form
    18,246.94/25,180.81 = 9,863.44/x
  3. Step 3: Cross multiply
    18,246.94x = 25,180.81 × 9,863.44
  4. Step 4: Simplify right side
    18,246.94x = 248,369,320.98
  5. Step 5: Solve for x
    x = 248,369,320.98/18,246.94
  6. Step 6: Final answer
    x = 13,611.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.