Home / 35,253.86-52,879.26-11,880.20

Finding the Fourth Proportional to 35,253.86, 52,879.26 and 11,880.20

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Solution

The fourth proportional to 35,253.86, 52,879.26 and 11,880.20 is: 17,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.86 : 52,879.26 = 11,880.20 : x
  2. Step 2: Convert to fraction form
    35,253.86/52,879.26 = 11,880.20/x
  3. Step 3: Cross multiply
    35,253.86x = 52,879.26 × 11,880.20
  4. Step 4: Simplify right side
    35,253.86x = 628,216,184.65
  5. Step 5: Solve for x
    x = 628,216,184.65/35,253.86
  6. Step 6: Final answer
    x = 17,819.78

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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.