Home / 14,195.45-19,589.73-8,230.58

Finding the Fourth Proportional to 14,195.45, 19,589.73 and 8,230.58

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Solution

The fourth proportional to 14,195.45, 19,589.73 and 8,230.58 is: 11,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.45 : 19,589.73 = 8,230.58 : x
  2. Step 2: Convert to fraction form
    14,195.45/19,589.73 = 8,230.58/x
  3. Step 3: Cross multiply
    14,195.45x = 19,589.73 × 8,230.58
  4. Step 4: Simplify right side
    14,195.45x = 161,234,839.94
  5. Step 5: Solve for x
    x = 161,234,839.94/14,195.45
  6. Step 6: Final answer
    x = 11,358.21

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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.