Home / 43,496.48-65,245.32-12,331.70

Finding the Fourth Proportional to 43,496.48, 65,245.32 and 12,331.70

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Solution

The fourth proportional to 43,496.48, 65,245.32 and 12,331.70 is: 18,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,496.48 : 65,245.32 = 12,331.70 : x
  2. Step 2: Convert to fraction form
    43,496.48/65,245.32 = 12,331.70/x
  3. Step 3: Cross multiply
    43,496.48x = 65,245.32 × 12,331.70
  4. Step 4: Simplify right side
    43,496.48x = 804,585,712.64
  5. Step 5: Solve for x
    x = 804,585,712.64/43,496.48
  6. Step 6: Final answer
    x = 18,497.72

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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.