Home / 25,777.20-35,564.22-15,169.44

Finding the Fourth Proportional to 25,777.20, 35,564.22 and 15,169.44

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Solution

The fourth proportional to 25,777.20, 35,564.22 and 15,169.44 is: 20,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.20 : 35,564.22 = 15,169.44 : x
  2. Step 2: Convert to fraction form
    25,777.20/35,564.22 = 15,169.44/x
  3. Step 3: Cross multiply
    25,777.20x = 35,564.22 × 15,169.44
  4. Step 4: Simplify right side
    25,777.20x = 539,489,301.44
  5. Step 5: Solve for x
    x = 539,489,301.44/25,777.20
  6. Step 6: Final answer
    x = 20,928.93

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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.