Home / 15,288.64-22,933.44-5,429.44

Finding the Fourth Proportional to 15,288.64, 22,933.44 and 5,429.44

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Solution

The fourth proportional to 15,288.64, 22,933.44 and 5,429.44 is: 8,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.64 : 22,933.44 = 5,429.44 : x
  2. Step 2: Convert to fraction form
    15,288.64/22,933.44 = 5,429.44/x
  3. Step 3: Cross multiply
    15,288.64x = 22,933.44 × 5,429.44
  4. Step 4: Simplify right side
    15,288.64x = 124,515,736.47
  5. Step 5: Solve for x
    x = 124,515,736.47/15,288.64
  6. Step 6: Final answer
    x = 8,144.33

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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.