Home / 18,318.24-25,280.15-11,601.41

Finding the Fourth Proportional to 18,318.24, 25,280.15 and 11,601.41

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Solution

The fourth proportional to 18,318.24, 25,280.15 and 11,601.41 is: 16,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.24 : 25,280.15 = 11,601.41 : x
  2. Step 2: Convert to fraction form
    18,318.24/25,280.15 = 11,601.41/x
  3. Step 3: Cross multiply
    18,318.24x = 25,280.15 × 11,601.41
  4. Step 4: Simplify right side
    18,318.24x = 293,285,200.60
  5. Step 5: Solve for x
    x = 293,285,200.60/18,318.24
  6. Step 6: Final answer
    x = 16,010.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.