Home / 18,106.32-27,156.24-8,245.92

Finding the Fourth Proportional to 18,106.32, 27,156.24 and 8,245.92

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Solution

The fourth proportional to 18,106.32, 27,156.24 and 8,245.92 is: 12,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.32 : 27,156.24 = 8,245.92 : x
  2. Step 2: Convert to fraction form
    18,106.32/27,156.24 = 8,245.92/x
  3. Step 3: Cross multiply
    18,106.32x = 27,156.24 × 8,245.92
  4. Step 4: Simplify right side
    18,106.32x = 223,928,182.54
  5. Step 5: Solve for x
    x = 223,928,182.54/18,106.32
  6. Step 6: Final answer
    x = 12,367.40

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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.