Home / 14,672.44-20,249.05-8,384.68

Finding the Fourth Proportional to 14,672.44, 20,249.05 and 8,384.68

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Solution

The fourth proportional to 14,672.44, 20,249.05 and 8,384.68 is: 11,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.44 : 20,249.05 = 8,384.68 : x
  2. Step 2: Convert to fraction form
    14,672.44/20,249.05 = 8,384.68/x
  3. Step 3: Cross multiply
    14,672.44x = 20,249.05 × 8,384.68
  4. Step 4: Simplify right side
    14,672.44x = 169,781,804.55
  5. Step 5: Solve for x
    x = 169,781,804.55/14,672.44
  6. Step 6: Final answer
    x = 11,571.48

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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.