Home / 18,246.80-25,180.52-9,863.30

Finding the Fourth Proportional to 18,246.80, 25,180.52 and 9,863.30

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Solution

The fourth proportional to 18,246.80, 25,180.52 and 9,863.30 is: 13,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.80 : 25,180.52 = 9,863.30 : x
  2. Step 2: Convert to fraction form
    18,246.80/25,180.52 = 9,863.30/x
  3. Step 3: Cross multiply
    18,246.80x = 25,180.52 × 9,863.30
  4. Step 4: Simplify right side
    18,246.80x = 248,363,022.92
  5. Step 5: Solve for x
    x = 248,363,022.92/18,246.80
  6. Step 6: Final answer
    x = 13,611.32

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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.