Home / 18,179.94-27,271.62-7,087.53

Finding the Fourth Proportional to 18,179.94, 27,271.62 and 7,087.53

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Solution

The fourth proportional to 18,179.94, 27,271.62 and 7,087.53 is: 10,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.94 : 27,271.62 = 7,087.53 : x
  2. Step 2: Convert to fraction form
    18,179.94/27,271.62 = 7,087.53/x
  3. Step 3: Cross multiply
    18,179.94x = 27,271.62 × 7,087.53
  4. Step 4: Simplify right side
    18,179.94x = 193,288,424.90
  5. Step 5: Solve for x
    x = 193,288,424.90/18,179.94
  6. Step 6: Final answer
    x = 10,631.96

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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.