Home / 19,380.61-29,068.17-6,231.27

Finding the Fourth Proportional to 19,380.61, 29,068.17 and 6,231.27

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Solution

The fourth proportional to 19,380.61, 29,068.17 and 6,231.27 is: 9,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.61 : 29,068.17 = 6,231.27 : x
  2. Step 2: Convert to fraction form
    19,380.61/29,068.17 = 6,231.27/x
  3. Step 3: Cross multiply
    19,380.61x = 29,068.17 × 6,231.27
  4. Step 4: Simplify right side
    19,380.61x = 181,131,615.68
  5. Step 5: Solve for x
    x = 181,131,615.68/19,380.61
  6. Step 6: Final answer
    x = 9,346.02

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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.