Home / 25,021.75-34,531.11-13,843.75

Finding the Fourth Proportional to 25,021.75, 34,531.11 and 13,843.75

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Solution

The fourth proportional to 25,021.75, 34,531.11 and 13,843.75 is: 19,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.75 : 34,531.11 = 13,843.75 : x
  2. Step 2: Convert to fraction form
    25,021.75/34,531.11 = 13,843.75/x
  3. Step 3: Cross multiply
    25,021.75x = 34,531.11 × 13,843.75
  4. Step 4: Simplify right side
    25,021.75x = 478,040,054.06
  5. Step 5: Solve for x
    x = 478,040,054.06/25,021.75
  6. Step 6: Final answer
    x = 19,104.98

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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.