Home / 17,721.80-24,457.20-9,764.02

Finding the Fourth Proportional to 17,721.80, 24,457.20 and 9,764.02

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Solution

The fourth proportional to 17,721.80, 24,457.20 and 9,764.02 is: 13,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.80 : 24,457.20 = 9,764.02 : x
  2. Step 2: Convert to fraction form
    17,721.80/24,457.20 = 9,764.02/x
  3. Step 3: Cross multiply
    17,721.80x = 24,457.20 × 9,764.02
  4. Step 4: Simplify right side
    17,721.80x = 238,800,589.94
  5. Step 5: Solve for x
    x = 238,800,589.94/17,721.80
  6. Step 6: Final answer
    x = 13,474.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.