Home / 43,809.84-65,716.24-12,220.67

Finding the Fourth Proportional to 43,809.84, 65,716.24 and 12,220.67

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Solution

The fourth proportional to 43,809.84, 65,716.24 and 12,220.67 is: 18,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,809.84 : 65,716.24 = 12,220.67 : x
  2. Step 2: Convert to fraction form
    43,809.84/65,716.24 = 12,220.67/x
  3. Step 3: Cross multiply
    43,809.84x = 65,716.24 × 12,220.67
  4. Step 4: Simplify right side
    43,809.84x = 803,096,604.96
  5. Step 5: Solve for x
    x = 803,096,604.96/43,809.84
  6. Step 6: Final answer
    x = 18,331.42

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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.