Home / 14,101.14-21,147.39-3,711.54

Finding the Fourth Proportional to 14,101.14, 21,147.39 and 3,711.54

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Solution

The fourth proportional to 14,101.14, 21,147.39 and 3,711.54 is: 5,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.14 : 21,147.39 = 3,711.54 : x
  2. Step 2: Convert to fraction form
    14,101.14/21,147.39 = 3,711.54/x
  3. Step 3: Cross multiply
    14,101.14x = 21,147.39 × 3,711.54
  4. Step 4: Simplify right side
    14,101.14x = 78,489,383.88
  5. Step 5: Solve for x
    x = 78,489,383.88/14,101.14
  6. Step 6: Final answer
    x = 5,566.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.