Home / 18,611.19-25,683.66-11,057.85

Finding the Fourth Proportional to 18,611.19, 25,683.66 and 11,057.85

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Solution

The fourth proportional to 18,611.19, 25,683.66 and 11,057.85 is: 15,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.19 : 25,683.66 = 11,057.85 : x
  2. Step 2: Convert to fraction form
    18,611.19/25,683.66 = 11,057.85/x
  3. Step 3: Cross multiply
    18,611.19x = 25,683.66 × 11,057.85
  4. Step 4: Simplify right side
    18,611.19x = 284,006,059.73
  5. Step 5: Solve for x
    x = 284,006,059.73/18,611.19
  6. Step 6: Final answer
    x = 15,259.96

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Half scale
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Double scale
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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.