Home / 18,294.63-27,441.50-8,433.90

Finding the Fourth Proportional to 18,294.63, 27,441.50 and 8,433.90

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Solution

The fourth proportional to 18,294.63, 27,441.50 and 8,433.90 is: 12,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.63 : 27,441.50 = 8,433.90 : x
  2. Step 2: Convert to fraction form
    18,294.63/27,441.50 = 8,433.90/x
  3. Step 3: Cross multiply
    18,294.63x = 27,441.50 × 8,433.90
  4. Step 4: Simplify right side
    18,294.63x = 231,438,824.68
  5. Step 5: Solve for x
    x = 231,438,824.68/18,294.63
  6. Step 6: Final answer
    x = 12,650.65

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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.