Home / 19,816.22-29,724.34-18,504.02

Finding the Fourth Proportional to 19,816.22, 29,724.34 and 18,504.02

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Solution

The fourth proportional to 19,816.22, 29,724.34 and 18,504.02 is: 27,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.22 : 29,724.34 = 18,504.02 : x
  2. Step 2: Convert to fraction form
    19,816.22/29,724.34 = 18,504.02/x
  3. Step 3: Cross multiply
    19,816.22x = 29,724.34 × 18,504.02
  4. Step 4: Simplify right side
    19,816.22x = 550,019,781.85
  5. Step 5: Solve for x
    x = 550,019,781.85/19,816.22
  6. Step 6: Final answer
    x = 27,756.04

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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.