Home / 43,483.20-65,206.56-13,893.12

Finding the Fourth Proportional to 43,483.20, 65,206.56 and 13,893.12

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Solution

The fourth proportional to 43,483.20, 65,206.56 and 13,893.12 is: 20,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,483.20 : 65,206.56 = 13,893.12 : x
  2. Step 2: Convert to fraction form
    43,483.20/65,206.56 = 13,893.12/x
  3. Step 3: Cross multiply
    43,483.20x = 65,206.56 × 13,893.12
  4. Step 4: Simplify right side
    43,483.20x = 905,922,562.87
  5. Step 5: Solve for x
    x = 905,922,562.87/43,483.20
  6. Step 6: Final answer
    x = 20,833.85

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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.