Home / 35,556.90-53,336.16-12,183

Finding the Fourth Proportional to 35,556.90, 53,336.16 and 12,183

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Solution

The fourth proportional to 35,556.90, 53,336.16 and 12,183 is: 18,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,556.90 : 53,336.16 = 12,183 : x
  2. Step 2: Convert to fraction form
    35,556.90/53,336.16 = 12,183/x
  3. Step 3: Cross multiply
    35,556.90x = 53,336.16 × 12,183
  4. Step 4: Simplify right side
    35,556.90x = 649,794,437.28
  5. Step 5: Solve for x
    x = 649,794,437.28/35,556.90
  6. Step 6: Final answer
    x = 18,274.78

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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.