Home / 19,767.85-29,644.58-5,724.07

Finding the Fourth Proportional to 19,767.85, 29,644.58 and 5,724.07

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Solution

The fourth proportional to 19,767.85, 29,644.58 and 5,724.07 is: 8,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.85 : 29,644.58 = 5,724.07 : x
  2. Step 2: Convert to fraction form
    19,767.85/29,644.58 = 5,724.07/x
  3. Step 3: Cross multiply
    19,767.85x = 29,644.58 × 5,724.07
  4. Step 4: Simplify right side
    19,767.85x = 169,687,591.24
  5. Step 5: Solve for x
    x = 169,687,591.24/19,767.85
  6. Step 6: Final answer
    x = 8,584.02

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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.