Home / 19,212.96-28,821.60-6,061.44

Finding the Fourth Proportional to 19,212.96, 28,821.60 and 6,061.44

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Solution

The fourth proportional to 19,212.96, 28,821.60 and 6,061.44 is: 9,092.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.96 : 28,821.60 = 6,061.44 : x
  2. Step 2: Convert to fraction form
    19,212.96/28,821.60 = 6,061.44/x
  3. Step 3: Cross multiply
    19,212.96x = 28,821.60 × 6,061.44
  4. Step 4: Simplify right side
    19,212.96x = 174,700,399.10
  5. Step 5: Solve for x
    x = 174,700,399.10/19,212.96
  6. Step 6: Final answer
    x = 9,092.84

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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.