Home / 17,741.80-26,634.30-8,972.20

Finding the Fourth Proportional to 17,741.80, 26,634.30 and 8,972.20

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Solution

The fourth proportional to 17,741.80, 26,634.30 and 8,972.20 is: 13,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.80 : 26,634.30 = 8,972.20 : x
  2. Step 2: Convert to fraction form
    17,741.80/26,634.30 = 8,972.20/x
  3. Step 3: Cross multiply
    17,741.80x = 26,634.30 × 8,972.20
  4. Step 4: Simplify right side
    17,741.80x = 238,968,266.46
  5. Step 5: Solve for x
    x = 238,968,266.46/17,741.80
  6. Step 6: Final answer
    x = 13,469.22

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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.