Home / 18,432.81-27,650.66-6,745.77

Finding the Fourth Proportional to 18,432.81, 27,650.66 and 6,745.77

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Solution

The fourth proportional to 18,432.81, 27,650.66 and 6,745.77 is: 10,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.81 : 27,650.66 = 6,745.77 : x
  2. Step 2: Convert to fraction form
    18,432.81/27,650.66 = 6,745.77/x
  3. Step 3: Cross multiply
    18,432.81x = 27,650.66 × 6,745.77
  4. Step 4: Simplify right side
    18,432.81x = 186,524,958.98
  5. Step 5: Solve for x
    x = 186,524,958.98/18,432.81
  6. Step 6: Final answer
    x = 10,119.18

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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.