Home / 13,241.48-18,267.42-8,204.36

Finding the Fourth Proportional to 13,241.48, 18,267.42 and 8,204.36

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Solution

The fourth proportional to 13,241.48, 18,267.42 and 8,204.36 is: 11,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.48 : 18,267.42 = 8,204.36 : x
  2. Step 2: Convert to fraction form
    13,241.48/18,267.42 = 8,204.36/x
  3. Step 3: Cross multiply
    13,241.48x = 18,267.42 × 8,204.36
  4. Step 4: Simplify right side
    13,241.48x = 149,872,489.95
  5. Step 5: Solve for x
    x = 149,872,489.95/13,241.48
  6. Step 6: Final answer
    x = 11,318.41

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Half 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.