Home / 18,087.35-27,134.89-5,607.09

Finding the Fourth Proportional to 18,087.35, 27,134.89 and 5,607.09

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Solution

The fourth proportional to 18,087.35, 27,134.89 and 5,607.09 is: 8,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.35 : 27,134.89 = 5,607.09 : x
  2. Step 2: Convert to fraction form
    18,087.35/27,134.89 = 5,607.09/x
  3. Step 3: Cross multiply
    18,087.35x = 27,134.89 × 5,607.09
  4. Step 4: Simplify right side
    18,087.35x = 152,147,756.35
  5. Step 5: Solve for x
    x = 152,147,756.35/18,087.35
  6. Step 6: Final answer
    x = 8,411.83

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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.