Home / 43,728.68-65,593.02-12,563.96

Finding the Fourth Proportional to 43,728.68, 65,593.02 and 12,563.96

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Solution

The fourth proportional to 43,728.68, 65,593.02 and 12,563.96 is: 18,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.68 : 65,593.02 = 12,563.96 : x
  2. Step 2: Convert to fraction form
    43,728.68/65,593.02 = 12,563.96/x
  3. Step 3: Cross multiply
    43,728.68x = 65,593.02 × 12,563.96
  4. Step 4: Simplify right side
    43,728.68x = 824,108,079.56
  5. Step 5: Solve for x
    x = 824,108,079.56/43,728.68
  6. Step 6: Final answer
    x = 18,845.94

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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.