Home / 14,757.12-22,135.68-12,154.56

Finding the Fourth Proportional to 14,757.12, 22,135.68 and 12,154.56

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Solution

The fourth proportional to 14,757.12, 22,135.68 and 12,154.56 is: 18,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.12 : 22,135.68 = 12,154.56 : x
  2. Step 2: Convert to fraction form
    14,757.12/22,135.68 = 12,154.56/x
  3. Step 3: Cross multiply
    14,757.12x = 22,135.68 × 12,154.56
  4. Step 4: Simplify right side
    14,757.12x = 269,049,450.70
  5. Step 5: Solve for x
    x = 269,049,450.70/14,757.12
  6. Step 6: Final answer
    x = 18,231.84

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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.