Home / 18,591.08-27,884.16-6,902.72

Finding the Fourth Proportional to 18,591.08, 27,884.16 and 6,902.72

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Solution

The fourth proportional to 18,591.08, 27,884.16 and 6,902.72 is: 10,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.08 : 27,884.16 = 6,902.72 : x
  2. Step 2: Convert to fraction form
    18,591.08/27,884.16 = 6,902.72/x
  3. Step 3: Cross multiply
    18,591.08x = 27,884.16 × 6,902.72
  4. Step 4: Simplify right side
    18,591.08x = 192,476,548.92
  5. Step 5: Solve for x
    x = 192,476,548.92/18,591.08
  6. Step 6: Final answer
    x = 10,353.17

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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.