Home / 13,801.83-20,704.68-5,482.69

Finding the Fourth Proportional to 13,801.83, 20,704.68 and 5,482.69

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Solution

The fourth proportional to 13,801.83, 20,704.68 and 5,482.69 is: 8,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.83 : 20,704.68 = 5,482.69 : x
  2. Step 2: Convert to fraction form
    13,801.83/20,704.68 = 5,482.69/x
  3. Step 3: Cross multiply
    13,801.83x = 20,704.68 × 5,482.69
  4. Step 4: Simplify right side
    13,801.83x = 113,517,290.23
  5. Step 5: Solve for x
    x = 113,517,290.23/13,801.83
  6. Step 6: Final answer
    x = 8,224.80

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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.