Home / 18,456.24-27,667.90-6,766.74

Finding the Fourth Proportional to 18,456.24, 27,667.90 and 6,766.74

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Solution

The fourth proportional to 18,456.24, 27,667.90 and 6,766.74 is: 10,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.24 : 27,667.90 = 6,766.74 : x
  2. Step 2: Convert to fraction form
    18,456.24/27,667.90 = 6,766.74/x
  3. Step 3: Cross multiply
    18,456.24x = 27,667.90 × 6,766.74
  4. Step 4: Simplify right side
    18,456.24x = 187,221,485.65
  5. Step 5: Solve for x
    x = 187,221,485.65/18,456.24
  6. Step 6: Final answer
    x = 10,144.08

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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.