Home / 25,778.75-35,574.07-15,169.07

Finding the Fourth Proportional to 25,778.75, 35,574.07 and 15,169.07

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Solution

The fourth proportional to 25,778.75, 35,574.07 and 15,169.07 is: 20,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,778.75 : 35,574.07 = 15,169.07 : x
  2. Step 2: Convert to fraction form
    25,778.75/35,574.07 = 15,169.07/x
  3. Step 3: Cross multiply
    25,778.75x = 35,574.07 × 15,169.07
  4. Step 4: Simplify right side
    25,778.75x = 539,625,558.01
  5. Step 5: Solve for x
    x = 539,625,558.01/25,778.75
  6. Step 6: Final answer
    x = 20,932.96

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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.