Home / 19,486.31-29,217.76-7,625.94

Finding the Fourth Proportional to 19,486.31, 29,217.76 and 7,625.94

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Solution

The fourth proportional to 19,486.31, 29,217.76 and 7,625.94 is: 11,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.31 : 29,217.76 = 7,625.94 : x
  2. Step 2: Convert to fraction form
    19,486.31/29,217.76 = 7,625.94/x
  3. Step 3: Cross multiply
    19,486.31x = 29,217.76 × 7,625.94
  4. Step 4: Simplify right side
    19,486.31x = 222,812,884.69
  5. Step 5: Solve for x
    x = 222,812,884.69/19,486.31
  6. Step 6: Final answer
    x = 11,434.33

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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.