Home / 18,401.80-27,603.24-6,714.04

Finding the Fourth Proportional to 18,401.80, 27,603.24 and 6,714.04

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Solution

The fourth proportional to 18,401.80, 27,603.24 and 6,714.04 is: 10,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.80 : 27,603.24 = 6,714.04 : x
  2. Step 2: Convert to fraction form
    18,401.80/27,603.24 = 6,714.04/x
  3. Step 3: Cross multiply
    18,401.80x = 27,603.24 × 6,714.04
  4. Step 4: Simplify right side
    18,401.80x = 185,329,257.49
  5. Step 5: Solve for x
    x = 185,329,257.49/18,401.80
  6. Step 6: Final answer
    x = 10,071.26

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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.