Home / 12,418.68-18,618.24-5,025

Finding the Fourth Proportional to 12,418.68, 18,618.24 and 5,025

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Solution

The fourth proportional to 12,418.68, 18,618.24 and 5,025 is: 7,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.68 : 18,618.24 = 5,025 : x
  2. Step 2: Convert to fraction form
    12,418.68/18,618.24 = 5,025/x
  3. Step 3: Cross multiply
    12,418.68x = 18,618.24 × 5,025
  4. Step 4: Simplify right side
    12,418.68x = 93,556,656.00
  5. Step 5: Solve for x
    x = 93,556,656.00/12,418.68
  6. Step 6: Final answer
    x = 7,533.54

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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.