Home / 13,850.54-19,122.91-8,553.14

Finding the Fourth Proportional to 13,850.54, 19,122.91 and 8,553.14

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Solution

The fourth proportional to 13,850.54, 19,122.91 and 8,553.14 is: 11,808.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.54 : 19,122.91 = 8,553.14 : x
  2. Step 2: Convert to fraction form
    13,850.54/19,122.91 = 8,553.14/x
  3. Step 3: Cross multiply
    13,850.54x = 19,122.91 × 8,553.14
  4. Step 4: Simplify right side
    13,850.54x = 163,560,926.44
  5. Step 5: Solve for x
    x = 163,560,926.44/13,850.54
  6. Step 6: Final answer
    x = 11,808.99

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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.