Home / 19,194.62-28,753.77-15,015.11

Finding the Fourth Proportional to 19,194.62, 28,753.77 and 15,015.11

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Solution

The fourth proportional to 19,194.62, 28,753.77 and 15,015.11 is: 22,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.62 : 28,753.77 = 15,015.11 : x
  2. Step 2: Convert to fraction form
    19,194.62/28,753.77 = 15,015.11/x
  3. Step 3: Cross multiply
    19,194.62x = 28,753.77 × 15,015.11
  4. Step 4: Simplify right side
    19,194.62x = 431,741,019.46
  5. Step 5: Solve for x
    x = 431,741,019.46/19,194.62
  6. Step 6: Final answer
    x = 22,492.81

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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.