Home / 25,309.20-34,891.77-18,144.96

Finding the Fourth Proportional to 25,309.20, 34,891.77 and 18,144.96

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Solution

The fourth proportional to 25,309.20, 34,891.77 and 18,144.96 is: 25,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.20 : 34,891.77 = 18,144.96 : x
  2. Step 2: Convert to fraction form
    25,309.20/34,891.77 = 18,144.96/x
  3. Step 3: Cross multiply
    25,309.20x = 34,891.77 × 18,144.96
  4. Step 4: Simplify right side
    25,309.20x = 633,109,770.98
  5. Step 5: Solve for x
    x = 633,109,770.98/25,309.20
  6. Step 6: Final answer
    x = 25,015.01

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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.