Home / 35,514.35-53,234.07-11,815.55

Finding the Fourth Proportional to 35,514.35, 53,234.07 and 11,815.55

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Solution

The fourth proportional to 35,514.35, 53,234.07 and 11,815.55 is: 17,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.35 : 53,234.07 = 11,815.55 : x
  2. Step 2: Convert to fraction form
    35,514.35/53,234.07 = 11,815.55/x
  3. Step 3: Cross multiply
    35,514.35x = 53,234.07 × 11,815.55
  4. Step 4: Simplify right side
    35,514.35x = 628,989,490.54
  5. Step 5: Solve for x
    x = 628,989,490.54/35,514.35
  6. Step 6: Final answer
    x = 17,710.86

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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.