Home / 19,177.27-28,760.56-8,077.43

Finding the Fourth Proportional to 19,177.27, 28,760.56 and 8,077.43

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Solution

The fourth proportional to 19,177.27, 28,760.56 and 8,077.43 is: 12,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.27 : 28,760.56 = 8,077.43 : x
  2. Step 2: Convert to fraction form
    19,177.27/28,760.56 = 8,077.43/x
  3. Step 3: Cross multiply
    19,177.27x = 28,760.56 × 8,077.43
  4. Step 4: Simplify right side
    19,177.27x = 232,311,410.16
  5. Step 5: Solve for x
    x = 232,311,410.16/19,177.27
  6. Step 6: Final answer
    x = 12,113.89

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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.