Home / 12,327.20-18,509.52-10,766.24

Finding the Fourth Proportional to 12,327.20, 18,509.52 and 10,766.24

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Solution

The fourth proportional to 12,327.20, 18,509.52 and 10,766.24 is: 16,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.20 : 18,509.52 = 10,766.24 : x
  2. Step 2: Convert to fraction form
    12,327.20/18,509.52 = 10,766.24/x
  3. Step 3: Cross multiply
    12,327.20x = 18,509.52 × 10,766.24
  4. Step 4: Simplify right side
    12,327.20x = 199,277,934.60
  5. Step 5: Solve for x
    x = 199,277,934.60/12,327.20
  6. Step 6: Final answer
    x = 16,165.71

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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.