Home / 18,456.41-27,688.26-6,769.73

Finding the Fourth Proportional to 18,456.41, 27,688.26 and 6,769.73

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Solution

The fourth proportional to 18,456.41, 27,688.26 and 6,769.73 is: 10,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.41 : 27,688.26 = 6,769.73 : x
  2. Step 2: Convert to fraction form
    18,456.41/27,688.26 = 6,769.73/x
  3. Step 3: Cross multiply
    18,456.41x = 27,688.26 × 6,769.73
  4. Step 4: Simplify right side
    18,456.41x = 187,442,113.59
  5. Step 5: Solve for x
    x = 187,442,113.59/18,456.41
  6. Step 6: Final answer
    x = 10,155.93

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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.