Home / 16,216.83-22,369.64-12,225.42

Finding the Fourth Proportional to 16,216.83, 22,369.64 and 12,225.42

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Solution

The fourth proportional to 16,216.83, 22,369.64 and 12,225.42 is: 16,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.83 : 22,369.64 = 12,225.42 : x
  2. Step 2: Convert to fraction form
    16,216.83/22,369.64 = 12,225.42/x
  3. Step 3: Cross multiply
    16,216.83x = 22,369.64 × 12,225.42
  4. Step 4: Simplify right side
    16,216.83x = 273,478,183.12
  5. Step 5: Solve for x
    x = 273,478,183.12/16,216.83
  6. Step 6: Final answer
    x = 16,863.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.