Home / 43,439.06-65,161.02-12,273.50

Finding the Fourth Proportional to 43,439.06, 65,161.02 and 12,273.50

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Solution

The fourth proportional to 43,439.06, 65,161.02 and 12,273.50 is: 18,410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.06 : 65,161.02 = 12,273.50 : x
  2. Step 2: Convert to fraction form
    43,439.06/65,161.02 = 12,273.50/x
  3. Step 3: Cross multiply
    43,439.06x = 65,161.02 × 12,273.50
  4. Step 4: Simplify right side
    43,439.06x = 799,753,778.97
  5. Step 5: Solve for x
    x = 799,753,778.97/43,439.06
  6. Step 6: Final answer
    x = 18,410.94

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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.