Home / 14,774.73-20,399.39-11,954.61

Finding the Fourth Proportional to 14,774.73, 20,399.39 and 11,954.61

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Solution

The fourth proportional to 14,774.73, 20,399.39 and 11,954.61 is: 16,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.73 : 20,399.39 = 11,954.61 : x
  2. Step 2: Convert to fraction form
    14,774.73/20,399.39 = 11,954.61/x
  3. Step 3: Cross multiply
    14,774.73x = 20,399.39 × 11,954.61
  4. Step 4: Simplify right side
    14,774.73x = 243,866,751.69
  5. Step 5: Solve for x
    x = 243,866,751.69/14,774.73
  6. Step 6: Final answer
    x = 16,505.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.