Home / 14,781.33-20,396.57-8,495.73

Finding the Fourth Proportional to 14,781.33, 20,396.57 and 8,495.73

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Solution

The fourth proportional to 14,781.33, 20,396.57 and 8,495.73 is: 11,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.33 : 20,396.57 = 8,495.73 : x
  2. Step 2: Convert to fraction form
    14,781.33/20,396.57 = 8,495.73/x
  3. Step 3: Cross multiply
    14,781.33x = 20,396.57 × 8,495.73
  4. Step 4: Simplify right side
    14,781.33x = 173,283,709.17
  5. Step 5: Solve for x
    x = 173,283,709.17/14,781.33
  6. Step 6: Final answer
    x = 11,723.15

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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.