Home / 14,268.61-21,404.13-3,738.59

Finding the Fourth Proportional to 14,268.61, 21,404.13 and 3,738.59

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Solution

The fourth proportional to 14,268.61, 21,404.13 and 3,738.59 is: 5,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.61 : 21,404.13 = 3,738.59 : x
  2. Step 2: Convert to fraction form
    14,268.61/21,404.13 = 3,738.59/x
  3. Step 3: Cross multiply
    14,268.61x = 21,404.13 × 3,738.59
  4. Step 4: Simplify right side
    14,268.61x = 80,021,266.38
  5. Step 5: Solve for x
    x = 80,021,266.38/14,268.61
  6. Step 6: Final answer
    x = 5,608.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.