Home / 18,056.12-27,087.82-10,665.88

Finding the Fourth Proportional to 18,056.12, 27,087.82 and 10,665.88

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Solution

The fourth proportional to 18,056.12, 27,087.82 and 10,665.88 is: 16,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.12 : 27,087.82 = 10,665.88 : x
  2. Step 2: Convert to fraction form
    18,056.12/27,087.82 = 10,665.88/x
  3. Step 3: Cross multiply
    18,056.12x = 27,087.82 × 10,665.88
  4. Step 4: Simplify right side
    18,056.12x = 288,915,343.20
  5. Step 5: Solve for x
    x = 288,915,343.20/18,056.12
  6. Step 6: Final answer
    x = 16,000.97

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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.