Home / 22,921.64-34,374.25-12,399.44

Finding the Fourth Proportional to 22,921.64, 34,374.25 and 12,399.44

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Solution

The fourth proportional to 22,921.64, 34,374.25 and 12,399.44 is: 18,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.64 : 34,374.25 = 12,399.44 : x
  2. Step 2: Convert to fraction form
    22,921.64/34,374.25 = 12,399.44/x
  3. Step 3: Cross multiply
    22,921.64x = 34,374.25 × 12,399.44
  4. Step 4: Simplify right side
    22,921.64x = 426,221,247.55
  5. Step 5: Solve for x
    x = 426,221,247.55/22,921.64
  6. Step 6: Final answer
    x = 18,594.71

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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.