Home / 15,093.64-22,621.68-5,221.36

Finding the Fourth Proportional to 15,093.64, 22,621.68 and 5,221.36

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Solution

The fourth proportional to 15,093.64, 22,621.68 and 5,221.36 is: 7,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.64 : 22,621.68 = 5,221.36 : x
  2. Step 2: Convert to fraction form
    15,093.64/22,621.68 = 5,221.36/x
  3. Step 3: Cross multiply
    15,093.64x = 22,621.68 × 5,221.36
  4. Step 4: Simplify right side
    15,093.64x = 118,115,963.36
  5. Step 5: Solve for x
    x = 118,115,963.36/15,093.64
  6. Step 6: Final answer
    x = 7,825.54

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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.