Home / 15,247.64-21,080.25-11,262.44

Finding the Fourth Proportional to 15,247.64, 21,080.25 and 11,262.44

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Solution

The fourth proportional to 15,247.64, 21,080.25 and 11,262.44 is: 15,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.64 : 21,080.25 = 11,262.44 : x
  2. Step 2: Convert to fraction form
    15,247.64/21,080.25 = 11,262.44/x
  3. Step 3: Cross multiply
    15,247.64x = 21,080.25 × 11,262.44
  4. Step 4: Simplify right side
    15,247.64x = 237,414,945.41
  5. Step 5: Solve for x
    x = 237,414,945.41/15,247.64
  6. Step 6: Final answer
    x = 15,570.61

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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.