Home / 13,867.04-20,800.32-13,375.04

Finding the Fourth Proportional to 13,867.04, 20,800.32 and 13,375.04

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Solution

The fourth proportional to 13,867.04, 20,800.32 and 13,375.04 is: 20,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.04 : 20,800.32 = 13,375.04 : x
  2. Step 2: Convert to fraction form
    13,867.04/20,800.32 = 13,375.04/x
  3. Step 3: Cross multiply
    13,867.04x = 20,800.32 × 13,375.04
  4. Step 4: Simplify right side
    13,867.04x = 278,205,112.01
  5. Step 5: Solve for x
    x = 278,205,112.01/13,867.04
  6. Step 6: Final answer
    x = 20,062.33

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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.