Home / 19,177.60-28,777.52-8,083.44

Finding the Fourth Proportional to 19,177.60, 28,777.52 and 8,083.44

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Solution

The fourth proportional to 19,177.60, 28,777.52 and 8,083.44 is: 12,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.60 : 28,777.52 = 8,083.44 : x
  2. Step 2: Convert to fraction form
    19,177.60/28,777.52 = 8,083.44/x
  3. Step 3: Cross multiply
    19,177.60x = 28,777.52 × 8,083.44
  4. Step 4: Simplify right side
    19,177.60x = 232,621,356.27
  5. Step 5: Solve for x
    x = 232,621,356.27/19,177.60
  6. Step 6: Final answer
    x = 12,129.85

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1.5x scale

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.