Home / 14,618.30-20,170.28-8,650.82

Finding the Fourth Proportional to 14,618.30, 20,170.28 and 8,650.82

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Solution

The fourth proportional to 14,618.30, 20,170.28 and 8,650.82 is: 11,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.30 : 20,170.28 = 8,650.82 : x
  2. Step 2: Convert to fraction form
    14,618.30/20,170.28 = 8,650.82/x
  3. Step 3: Cross multiply
    14,618.30x = 20,170.28 × 8,650.82
  4. Step 4: Simplify right side
    14,618.30x = 174,489,533.68
  5. Step 5: Solve for x
    x = 174,489,533.68/14,618.30
  6. Step 6: Final answer
    x = 11,936.38

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Similar ratio
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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.