Home / 13,703.91-20,554.35-3,843.58

Finding the Fourth Proportional to 13,703.91, 20,554.35 and 3,843.58

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Solution

The fourth proportional to 13,703.91, 20,554.35 and 3,843.58 is: 5,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.91 : 20,554.35 = 3,843.58 : x
  2. Step 2: Convert to fraction form
    13,703.91/20,554.35 = 3,843.58/x
  3. Step 3: Cross multiply
    13,703.91x = 20,554.35 × 3,843.58
  4. Step 4: Simplify right side
    13,703.91x = 79,002,288.57
  5. Step 5: Solve for x
    x = 79,002,288.57/13,703.91
  6. Step 6: Final answer
    x = 5,764.95

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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.