Home / 21,361.11-29,486.75-14,092.04

Finding the Fourth Proportional to 21,361.11, 29,486.75 and 14,092.04

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Solution

The fourth proportional to 21,361.11, 29,486.75 and 14,092.04 is: 19,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.11 : 29,486.75 = 14,092.04 : x
  2. Step 2: Convert to fraction form
    21,361.11/29,486.75 = 14,092.04/x
  3. Step 3: Cross multiply
    21,361.11x = 29,486.75 × 14,092.04
  4. Step 4: Simplify right side
    21,361.11x = 415,528,242.58
  5. Step 5: Solve for x
    x = 415,528,242.58/21,361.11
  6. Step 6: Final answer
    x = 19,452.56

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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.