Home / 18,433.73-27,633.99-12,512.63

Finding the Fourth Proportional to 18,433.73, 27,633.99 and 12,512.63

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Solution

The fourth proportional to 18,433.73, 27,633.99 and 12,512.63 is: 18,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.73 : 27,633.99 = 12,512.63 : x
  2. Step 2: Convert to fraction form
    18,433.73/27,633.99 = 12,512.63/x
  3. Step 3: Cross multiply
    18,433.73x = 27,633.99 × 12,512.63
  4. Step 4: Simplify right side
    18,433.73x = 345,773,892.29
  5. Step 5: Solve for x
    x = 345,773,892.29/18,433.73
  6. Step 6: Final answer
    x = 18,757.67

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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.