Home / 19,248.56-28,867.83-8,149.54

Finding the Fourth Proportional to 19,248.56, 28,867.83 and 8,149.54

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Solution

The fourth proportional to 19,248.56, 28,867.83 and 8,149.54 is: 12,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.56 : 28,867.83 = 8,149.54 : x
  2. Step 2: Convert to fraction form
    19,248.56/28,867.83 = 8,149.54/x
  3. Step 3: Cross multiply
    19,248.56x = 28,867.83 × 8,149.54
  4. Step 4: Simplify right side
    19,248.56x = 235,259,439.89
  5. Step 5: Solve for x
    x = 235,259,439.89/19,248.56
  6. Step 6: Final answer
    x = 12,222.18

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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.