Home / 14,125.26-21,187.82-3,451.49

Finding the Fourth Proportional to 14,125.26, 21,187.82 and 3,451.49

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Solution

The fourth proportional to 14,125.26, 21,187.82 and 3,451.49 is: 5,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.26 : 21,187.82 = 3,451.49 : x
  2. Step 2: Convert to fraction form
    14,125.26/21,187.82 = 3,451.49/x
  3. Step 3: Cross multiply
    14,125.26x = 21,187.82 × 3,451.49
  4. Step 4: Simplify right side
    14,125.26x = 73,129,425.66
  5. Step 5: Solve for x
    x = 73,129,425.66/14,125.26
  6. Step 6: Final answer
    x = 5,177.21

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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.