Home / 25,625.11-38,449.97-13,938.33

Finding the Fourth Proportional to 25,625.11, 38,449.97 and 13,938.33

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Solution

The fourth proportional to 25,625.11, 38,449.97 and 13,938.33 is: 20,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.11 : 38,449.97 = 13,938.33 : x
  2. Step 2: Convert to fraction form
    25,625.11/38,449.97 = 13,938.33/x
  3. Step 3: Cross multiply
    25,625.11x = 38,449.97 × 13,938.33
  4. Step 4: Simplify right side
    25,625.11x = 535,928,241.63
  5. Step 5: Solve for x
    x = 535,928,241.63/25,625.11
  6. Step 6: Final answer
    x = 20,914.18

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1.5x scale

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.