Home / 16,877.64-25,319.34-5,190.60

Finding the Fourth Proportional to 16,877.64, 25,319.34 and 5,190.60

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Solution

The fourth proportional to 16,877.64, 25,319.34 and 5,190.60 is: 7,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.64 : 25,319.34 = 5,190.60 : x
  2. Step 2: Convert to fraction form
    16,877.64/25,319.34 = 5,190.60/x
  3. Step 3: Cross multiply
    16,877.64x = 25,319.34 × 5,190.60
  4. Step 4: Simplify right side
    16,877.64x = 131,422,566.20
  5. Step 5: Solve for x
    x = 131,422,566.20/16,877.64
  6. Step 6: Final answer
    x = 7,786.79

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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.