Home / 18,170.74-27,267.63-9,856.42

Finding the Fourth Proportional to 18,170.74, 27,267.63 and 9,856.42

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Solution

The fourth proportional to 18,170.74, 27,267.63 and 9,856.42 is: 14,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.74 : 27,267.63 = 9,856.42 : x
  2. Step 2: Convert to fraction form
    18,170.74/27,267.63 = 9,856.42/x
  3. Step 3: Cross multiply
    18,170.74x = 27,267.63 × 9,856.42
  4. Step 4: Simplify right side
    18,170.74x = 268,761,213.68
  5. Step 5: Solve for x
    x = 268,761,213.68/18,170.74
  6. Step 6: Final answer
    x = 14,790.88

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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.