Home / 13,884.87-20,829.13-4,023.93

Finding the Fourth Proportional to 13,884.87, 20,829.13 and 4,023.93

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Solution

The fourth proportional to 13,884.87, 20,829.13 and 4,023.93 is: 6,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.87 : 20,829.13 = 4,023.93 : x
  2. Step 2: Convert to fraction form
    13,884.87/20,829.13 = 4,023.93/x
  3. Step 3: Cross multiply
    13,884.87x = 20,829.13 × 4,023.93
  4. Step 4: Simplify right side
    13,884.87x = 83,814,961.08
  5. Step 5: Solve for x
    x = 83,814,961.08/13,884.87
  6. Step 6: Final answer
    x = 6,036.42

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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.