Home / 43,432.42-65,147.94-13,850.06

Finding the Fourth Proportional to 43,432.42, 65,147.94 and 13,850.06

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Solution

The fourth proportional to 43,432.42, 65,147.94 and 13,850.06 is: 20,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,432.42 : 65,147.94 = 13,850.06 : x
  2. Step 2: Convert to fraction form
    43,432.42/65,147.94 = 13,850.06/x
  3. Step 3: Cross multiply
    43,432.42x = 65,147.94 × 13,850.06
  4. Step 4: Simplify right side
    43,432.42x = 902,302,877.88
  5. Step 5: Solve for x
    x = 902,302,877.88/43,432.42
  6. Step 6: Final answer
    x = 20,774.87

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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.