Home / 14,543.30-21,815.03-5,183.69

Finding the Fourth Proportional to 14,543.30, 21,815.03 and 5,183.69

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Solution

The fourth proportional to 14,543.30, 21,815.03 and 5,183.69 is: 7,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.30 : 21,815.03 = 5,183.69 : x
  2. Step 2: Convert to fraction form
    14,543.30/21,815.03 = 5,183.69/x
  3. Step 3: Cross multiply
    14,543.30x = 21,815.03 × 5,183.69
  4. Step 4: Simplify right side
    14,543.30x = 113,082,256.74
  5. Step 5: Solve for x
    x = 113,082,256.74/14,543.30
  6. Step 6: Final answer
    x = 7,775.56

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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.