Home / 18,511.14-25,374.03-18,261.96

Finding the Fourth Proportional to 18,511.14, 25,374.03 and 18,261.96

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Solution

The fourth proportional to 18,511.14, 25,374.03 and 18,261.96 is: 25,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.14 : 25,374.03 = 18,261.96 : x
  2. Step 2: Convert to fraction form
    18,511.14/25,374.03 = 18,261.96/x
  3. Step 3: Cross multiply
    18,511.14x = 25,374.03 × 18,261.96
  4. Step 4: Simplify right side
    18,511.14x = 463,379,520.90
  5. Step 5: Solve for x
    x = 463,379,520.90/18,511.14
  6. Step 6: Final answer
    x = 25,032.47

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.