Home / 25,745.46-38,571.56-21,612.03

Finding the Fourth Proportional to 25,745.46, 38,571.56 and 21,612.03

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Solution

The fourth proportional to 25,745.46, 38,571.56 and 21,612.03 is: 32,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.46 : 38,571.56 = 21,612.03 : x
  2. Step 2: Convert to fraction form
    25,745.46/38,571.56 = 21,612.03/x
  3. Step 3: Cross multiply
    25,745.46x = 38,571.56 × 21,612.03
  4. Step 4: Simplify right side
    25,745.46x = 833,609,540.21
  5. Step 5: Solve for x
    x = 833,609,540.21/25,745.46
  6. Step 6: Final answer
    x = 32,378.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.