Home / 22,226.64-30,672.78-12,154.92

Finding the Fourth Proportional to 22,226.64, 30,672.78 and 12,154.92

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Solution

The fourth proportional to 22,226.64, 30,672.78 and 12,154.92 is: 16,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.64 : 30,672.78 = 12,154.92 : x
  2. Step 2: Convert to fraction form
    22,226.64/30,672.78 = 12,154.92/x
  3. Step 3: Cross multiply
    22,226.64x = 30,672.78 × 12,154.92
  4. Step 4: Simplify right side
    22,226.64x = 372,825,187.08
  5. Step 5: Solve for x
    x = 372,825,187.08/22,226.64
  6. Step 6: Final answer
    x = 16,773.80

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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.