Home / 14,183.99-19,576.28-8,219.28

Finding the Fourth Proportional to 14,183.99, 19,576.28 and 8,219.28

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Solution

The fourth proportional to 14,183.99, 19,576.28 and 8,219.28 is: 11,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.99 : 19,576.28 = 8,219.28 : x
  2. Step 2: Convert to fraction form
    14,183.99/19,576.28 = 8,219.28/x
  3. Step 3: Cross multiply
    14,183.99x = 19,576.28 × 8,219.28
  4. Step 4: Simplify right side
    14,183.99x = 160,902,926.68
  5. Step 5: Solve for x
    x = 160,902,926.68/14,183.99
  6. Step 6: Final answer
    x = 11,343.98

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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.