Home / 13,882.50-20,822.22-3,494.25

Finding the Fourth Proportional to 13,882.50, 20,822.22 and 3,494.25

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Solution

The fourth proportional to 13,882.50, 20,822.22 and 3,494.25 is: 5,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.50 : 20,822.22 = 3,494.25 : x
  2. Step 2: Convert to fraction form
    13,882.50/20,822.22 = 3,494.25/x
  3. Step 3: Cross multiply
    13,882.50x = 20,822.22 × 3,494.25
  4. Step 4: Simplify right side
    13,882.50x = 72,758,042.24
  5. Step 5: Solve for x
    x = 72,758,042.24/13,882.50
  6. Step 6: Final answer
    x = 5,240.99

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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.