Home / 12,450.63-18,672.99-3,565.68

Finding the Fourth Proportional to 12,450.63, 18,672.99 and 3,565.68

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Solution

The fourth proportional to 12,450.63, 18,672.99 and 3,565.68 is: 5,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.63 : 18,672.99 = 3,565.68 : x
  2. Step 2: Convert to fraction form
    12,450.63/18,672.99 = 3,565.68/x
  3. Step 3: Cross multiply
    12,450.63x = 18,672.99 × 3,565.68
  4. Step 4: Simplify right side
    12,450.63x = 66,581,906.98
  5. Step 5: Solve for x
    x = 66,581,906.98/12,450.63
  6. Step 6: Final answer
    x = 5,347.67

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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.