Home / 13,843.90-20,766.21-5,076.46

Finding the Fourth Proportional to 13,843.90, 20,766.21 and 5,076.46

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Solution

The fourth proportional to 13,843.90, 20,766.21 and 5,076.46 is: 7,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.90 : 20,766.21 = 5,076.46 : x
  2. Step 2: Convert to fraction form
    13,843.90/20,766.21 = 5,076.46/x
  3. Step 3: Cross multiply
    13,843.90x = 20,766.21 × 5,076.46
  4. Step 4: Simplify right side
    13,843.90x = 105,418,834.42
  5. Step 5: Solve for x
    x = 105,418,834.42/13,843.90
  6. Step 6: Final answer
    x = 7,614.82

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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.