Home / 17,822.30-26,712.78-6,721.88

Finding the Fourth Proportional to 17,822.30, 26,712.78 and 6,721.88

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Solution

The fourth proportional to 17,822.30, 26,712.78 and 6,721.88 is: 10,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,822.30 : 26,712.78 = 6,721.88 : x
  2. Step 2: Convert to fraction form
    17,822.30/26,712.78 = 6,721.88/x
  3. Step 3: Cross multiply
    17,822.30x = 26,712.78 × 6,721.88
  4. Step 4: Simplify right side
    17,822.30x = 179,560,101.63
  5. Step 5: Solve for x
    x = 179,560,101.63/17,822.30
  6. Step 6: Final answer
    x = 10,075.02

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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.