Home / 14,679.72-20,234.32-12,022.44

Finding the Fourth Proportional to 14,679.72, 20,234.32 and 12,022.44

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Solution

The fourth proportional to 14,679.72, 20,234.32 and 12,022.44 is: 16,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.72 : 20,234.32 = 12,022.44 : x
  2. Step 2: Convert to fraction form
    14,679.72/20,234.32 = 12,022.44/x
  3. Step 3: Cross multiply
    14,679.72x = 20,234.32 × 12,022.44
  4. Step 4: Simplify right side
    14,679.72x = 243,265,898.14
  5. Step 5: Solve for x
    x = 243,265,898.14/14,679.72
  6. Step 6: Final answer
    x = 16,571.56

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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.