Home / 15,645.71-23,468.64-3,958.94

Finding the Fourth Proportional to 15,645.71, 23,468.64 and 3,958.94

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Solution

The fourth proportional to 15,645.71, 23,468.64 and 3,958.94 is: 5,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.71 : 23,468.64 = 3,958.94 : x
  2. Step 2: Convert to fraction form
    15,645.71/23,468.64 = 3,958.94/x
  3. Step 3: Cross multiply
    15,645.71x = 23,468.64 × 3,958.94
  4. Step 4: Simplify right side
    15,645.71x = 92,910,937.64
  5. Step 5: Solve for x
    x = 92,910,937.64/15,645.71
  6. Step 6: Final answer
    x = 5,938.43

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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.