Home / 18,441.40-27,667.64-8,586.52

Finding the Fourth Proportional to 18,441.40, 27,667.64 and 8,586.52

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Solution

The fourth proportional to 18,441.40, 27,667.64 and 8,586.52 is: 12,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.40 : 27,667.64 = 8,586.52 : x
  2. Step 2: Convert to fraction form
    18,441.40/27,667.64 = 8,586.52/x
  3. Step 3: Cross multiply
    18,441.40x = 27,667.64 × 8,586.52
  4. Step 4: Simplify right side
    18,441.40x = 237,568,744.21
  5. Step 5: Solve for x
    x = 237,568,744.21/18,441.40
  6. Step 6: Final answer
    x = 12,882.36

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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.