Home / 25,625.89-35,367.24-15,019.75

Finding the Fourth Proportional to 25,625.89, 35,367.24 and 15,019.75

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Solution

The fourth proportional to 25,625.89, 35,367.24 and 15,019.75 is: 20,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.89 : 35,367.24 = 15,019.75 : x
  2. Step 2: Convert to fraction form
    25,625.89/35,367.24 = 15,019.75/x
  3. Step 3: Cross multiply
    25,625.89x = 35,367.24 × 15,019.75
  4. Step 4: Simplify right side
    25,625.89x = 531,207,102.99
  5. Step 5: Solve for x
    x = 531,207,102.99/25,625.89
  6. Step 6: Final answer
    x = 20,729.31

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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.