Home / 43,815.96-65,733.66-12,653.64

Finding the Fourth Proportional to 43,815.96, 65,733.66 and 12,653.64

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Solution

The fourth proportional to 43,815.96, 65,733.66 and 12,653.64 is: 18,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,815.96 : 65,733.66 = 12,653.64 : x
  2. Step 2: Convert to fraction form
    43,815.96/65,733.66 = 12,653.64/x
  3. Step 3: Cross multiply
    43,815.96x = 65,733.66 × 12,653.64
  4. Step 4: Simplify right side
    43,815.96x = 831,770,069.52
  5. Step 5: Solve for x
    x = 831,770,069.52/43,815.96
  6. Step 6: Final answer
    x = 18,983.27

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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.