Home / 13,706.96-20,559.38-3,845.84

Finding the Fourth Proportional to 13,706.96, 20,559.38 and 3,845.84

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Solution

The fourth proportional to 13,706.96, 20,559.38 and 3,845.84 is: 5,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.96 : 20,559.38 = 3,845.84 : x
  2. Step 2: Convert to fraction form
    13,706.96/20,559.38 = 3,845.84/x
  3. Step 3: Cross multiply
    13,706.96x = 20,559.38 × 3,845.84
  4. Step 4: Simplify right side
    13,706.96x = 79,067,963.95
  5. Step 5: Solve for x
    x = 79,067,963.95/13,706.96
  6. Step 6: Final answer
    x = 5,768.46

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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.