Home / 17,640.13-26,467.09-7,772.46

Finding the Fourth Proportional to 17,640.13, 26,467.09 and 7,772.46

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Solution

The fourth proportional to 17,640.13, 26,467.09 and 7,772.46 is: 11,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.13 : 26,467.09 = 7,772.46 : x
  2. Step 2: Convert to fraction form
    17,640.13/26,467.09 = 7,772.46/x
  3. Step 3: Cross multiply
    17,640.13x = 26,467.09 × 7,772.46
  4. Step 4: Simplify right side
    17,640.13x = 205,714,398.34
  5. Step 5: Solve for x
    x = 205,714,398.34/17,640.13
  6. Step 6: Final answer
    x = 11,661.73

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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.