Home / 15,310.92-22,968.54-5,447.28

Finding the Fourth Proportional to 15,310.92, 22,968.54 and 5,447.28

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Solution

The fourth proportional to 15,310.92, 22,968.54 and 5,447.28 is: 8,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.92 : 22,968.54 = 5,447.28 : x
  2. Step 2: Convert to fraction form
    15,310.92/22,968.54 = 5,447.28/x
  3. Step 3: Cross multiply
    15,310.92x = 22,968.54 × 5,447.28
  4. Step 4: Simplify right side
    15,310.92x = 125,116,068.57
  5. Step 5: Solve for x
    x = 125,116,068.57/15,310.92
  6. Step 6: Final answer
    x = 8,171.69

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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.