Home / 14,425.26-19,906.86-8,137.62

Finding the Fourth Proportional to 14,425.26, 19,906.86 and 8,137.62

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Solution

The fourth proportional to 14,425.26, 19,906.86 and 8,137.62 is: 11,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.26 : 19,906.86 = 8,137.62 : x
  2. Step 2: Convert to fraction form
    14,425.26/19,906.86 = 8,137.62/x
  3. Step 3: Cross multiply
    14,425.26x = 19,906.86 × 8,137.62
  4. Step 4: Simplify right side
    14,425.26x = 161,994,462.07
  5. Step 5: Solve for x
    x = 161,994,462.07/14,425.26
  6. Step 6: Final answer
    x = 11,229.92

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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.