Home / 19,195.53-28,793.29-12,650.93

Finding the Fourth Proportional to 19,195.53, 28,793.29 and 12,650.93

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Solution

The fourth proportional to 19,195.53, 28,793.29 and 12,650.93 is: 18,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.53 : 28,793.29 = 12,650.93 : x
  2. Step 2: Convert to fraction form
    19,195.53/28,793.29 = 12,650.93/x
  3. Step 3: Cross multiply
    19,195.53x = 28,793.29 × 12,650.93
  4. Step 4: Simplify right side
    19,195.53x = 364,261,896.26
  5. Step 5: Solve for x
    x = 364,261,896.26/19,195.53
  6. Step 6: Final answer
    x = 18,976.40

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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.