Home / 14,997.58-20,696.82-8,283.38

Finding the Fourth Proportional to 14,997.58, 20,696.82 and 8,283.38

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Solution

The fourth proportional to 14,997.58, 20,696.82 and 8,283.38 is: 11,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.58 : 20,696.82 = 8,283.38 : x
  2. Step 2: Convert to fraction form
    14,997.58/20,696.82 = 8,283.38/x
  3. Step 3: Cross multiply
    14,997.58x = 20,696.82 × 8,283.38
  4. Step 4: Simplify right side
    14,997.58x = 171,439,624.85
  5. Step 5: Solve for x
    x = 171,439,624.85/14,997.58
  6. Step 6: Final answer
    x = 11,431.15

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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.