Home / 13,982.28-19,295.40-7,694.52

Finding the Fourth Proportional to 13,982.28, 19,295.40 and 7,694.52

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Solution

The fourth proportional to 13,982.28, 19,295.40 and 7,694.52 is: 10,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.28 : 19,295.40 = 7,694.52 : x
  2. Step 2: Convert to fraction form
    13,982.28/19,295.40 = 7,694.52/x
  3. Step 3: Cross multiply
    13,982.28x = 19,295.40 × 7,694.52
  4. Step 4: Simplify right side
    13,982.28x = 148,468,841.21
  5. Step 5: Solve for x
    x = 148,468,841.21/13,982.28
  6. Step 6: Final answer
    x = 10,618.36

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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.