Home / 19,583.96-29,371.62-6,432.80

Finding the Fourth Proportional to 19,583.96, 29,371.62 and 6,432.80

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Solution

The fourth proportional to 19,583.96, 29,371.62 and 6,432.80 is: 9,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.96 : 29,371.62 = 6,432.80 : x
  2. Step 2: Convert to fraction form
    19,583.96/29,371.62 = 6,432.80/x
  3. Step 3: Cross multiply
    19,583.96x = 29,371.62 × 6,432.80
  4. Step 4: Simplify right side
    19,583.96x = 188,941,757.14
  5. Step 5: Solve for x
    x = 188,941,757.14/19,583.96
  6. Step 6: Final answer
    x = 9,647.78

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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.