Home / 14,852.20-20,495.91-8,137.69

Finding the Fourth Proportional to 14,852.20, 20,495.91 and 8,137.69

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Solution

The fourth proportional to 14,852.20, 20,495.91 and 8,137.69 is: 11,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,852.20 : 20,495.91 = 8,137.69 : x
  2. Step 2: Convert to fraction form
    14,852.20/20,495.91 = 8,137.69/x
  3. Step 3: Cross multiply
    14,852.20x = 20,495.91 × 8,137.69
  4. Step 4: Simplify right side
    14,852.20x = 166,789,361.85
  5. Step 5: Solve for x
    x = 166,789,361.85/14,852.20
  6. Step 6: Final answer
    x = 11,229.94

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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.