Home / 43,889.50-65,836.68-12,727.18

Finding the Fourth Proportional to 43,889.50, 65,836.68 and 12,727.18

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Solution

The fourth proportional to 43,889.50, 65,836.68 and 12,727.18 is: 19,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,889.50 : 65,836.68 = 12,727.18 : x
  2. Step 2: Convert to fraction form
    43,889.50/65,836.68 = 12,727.18/x
  3. Step 3: Cross multiply
    43,889.50x = 65,836.68 × 12,727.18
  4. Step 4: Simplify right side
    43,889.50x = 837,915,276.96
  5. Step 5: Solve for x
    x = 837,915,276.96/43,889.50
  6. Step 6: Final answer
    x = 19,091.47

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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.