Home / 13,863.80-20,793.86-4,004.06

Finding the Fourth Proportional to 13,863.80, 20,793.86 and 4,004.06

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Solution

The fourth proportional to 13,863.80, 20,793.86 and 4,004.06 is: 6,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.80 : 20,793.86 = 4,004.06 : x
  2. Step 2: Convert to fraction form
    13,863.80/20,793.86 = 4,004.06/x
  3. Step 3: Cross multiply
    13,863.80x = 20,793.86 × 4,004.06
  4. Step 4: Simplify right side
    13,863.80x = 83,259,863.07
  5. Step 5: Solve for x
    x = 83,259,863.07/13,863.80
  6. Step 6: Final answer
    x = 6,005.56

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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.