Home / 18,738.88-25,860.14-10,241.36

Finding the Fourth Proportional to 18,738.88, 25,860.14 and 10,241.36

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Solution

The fourth proportional to 18,738.88, 25,860.14 and 10,241.36 is: 14,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.88 : 25,860.14 = 10,241.36 : x
  2. Step 2: Convert to fraction form
    18,738.88/25,860.14 = 10,241.36/x
  3. Step 3: Cross multiply
    18,738.88x = 25,860.14 × 10,241.36
  4. Step 4: Simplify right side
    18,738.88x = 264,843,003.39
  5. Step 5: Solve for x
    x = 264,843,003.39/18,738.88
  6. Step 6: Final answer
    x = 14,133.34

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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.