Home / 12,368.73-18,550.80-3,601.56

Finding the Fourth Proportional to 12,368.73, 18,550.80 and 3,601.56

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Solution

The fourth proportional to 12,368.73, 18,550.80 and 3,601.56 is: 5,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.73 : 18,550.80 = 3,601.56 : x
  2. Step 2: Convert to fraction form
    12,368.73/18,550.80 = 3,601.56/x
  3. Step 3: Cross multiply
    12,368.73x = 18,550.80 × 3,601.56
  4. Step 4: Simplify right side
    12,368.73x = 66,811,819.25
  5. Step 5: Solve for x
    x = 66,811,819.25/12,368.73
  6. Step 6: Final answer
    x = 5,401.67

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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.