Home / 18,517.92-27,776.32-4,667.04

Finding the Fourth Proportional to 18,517.92, 27,776.32 and 4,667.04

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Solution

The fourth proportional to 18,517.92, 27,776.32 and 4,667.04 is: 7,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.92 : 27,776.32 = 4,667.04 : x
  2. Step 2: Convert to fraction form
    18,517.92/27,776.32 = 4,667.04/x
  3. Step 3: Cross multiply
    18,517.92x = 27,776.32 × 4,667.04
  4. Step 4: Simplify right side
    18,517.92x = 129,633,196.49
  5. Step 5: Solve for x
    x = 129,633,196.49/18,517.92
  6. Step 6: Final answer
    x = 7,000.42

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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.