Home / 21,361.62-29,487.44-14,092.54

Finding the Fourth Proportional to 21,361.62, 29,487.44 and 14,092.54

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Solution

The fourth proportional to 21,361.62, 29,487.44 and 14,092.54 is: 19,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.62 : 29,487.44 = 14,092.54 : x
  2. Step 2: Convert to fraction form
    21,361.62/29,487.44 = 14,092.54/x
  3. Step 3: Cross multiply
    21,361.62x = 29,487.44 × 14,092.54
  4. Step 4: Simplify right side
    21,361.62x = 415,552,927.70
  5. Step 5: Solve for x
    x = 415,552,927.70/21,361.62
  6. Step 6: Final answer
    x = 19,453.25

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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.