Home / 17,821.80-26,754.30-9,052.20

Finding the Fourth Proportional to 17,821.80, 26,754.30 and 9,052.20

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Solution

The fourth proportional to 17,821.80, 26,754.30 and 9,052.20 is: 13,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.80 : 26,754.30 = 9,052.20 : x
  2. Step 2: Convert to fraction form
    17,821.80/26,754.30 = 9,052.20/x
  3. Step 3: Cross multiply
    17,821.80x = 26,754.30 × 9,052.20
  4. Step 4: Simplify right side
    17,821.80x = 242,185,274.46
  5. Step 5: Solve for x
    x = 242,185,274.46/17,821.80
  6. Step 6: Final answer
    x = 13,589.27

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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.