Home / 15,966.63-23,960.94-5,578.38

Finding the Fourth Proportional to 15,966.63, 23,960.94 and 5,578.38

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Solution

The fourth proportional to 15,966.63, 23,960.94 and 5,578.38 is: 8,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.63 : 23,960.94 = 5,578.38 : x
  2. Step 2: Convert to fraction form
    15,966.63/23,960.94 = 5,578.38/x
  3. Step 3: Cross multiply
    15,966.63x = 23,960.94 × 5,578.38
  4. Step 4: Simplify right side
    15,966.63x = 133,663,228.48
  5. Step 5: Solve for x
    x = 133,663,228.48/15,966.63
  6. Step 6: Final answer
    x = 8,371.41

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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.