Home / 43,725.68-65,598.24-12,558.56

Finding the Fourth Proportional to 43,725.68, 65,598.24 and 12,558.56

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Solution

The fourth proportional to 43,725.68, 65,598.24 and 12,558.56 is: 18,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.68 : 65,598.24 = 12,558.56 : x
  2. Step 2: Convert to fraction form
    43,725.68/65,598.24 = 12,558.56/x
  3. Step 3: Cross multiply
    43,725.68x = 65,598.24 × 12,558.56
  4. Step 4: Simplify right side
    43,725.68x = 823,819,432.93
  5. Step 5: Solve for x
    x = 823,819,432.93/43,725.68
  6. Step 6: Final answer
    x = 18,840.63

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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.