Home / 17,120.44-25,672.02-8,342.20

Finding the Fourth Proportional to 17,120.44, 25,672.02 and 8,342.20

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Solution

The fourth proportional to 17,120.44, 25,672.02 and 8,342.20 is: 12,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.44 : 25,672.02 = 8,342.20 : x
  2. Step 2: Convert to fraction form
    17,120.44/25,672.02 = 8,342.20/x
  3. Step 3: Cross multiply
    17,120.44x = 25,672.02 × 8,342.20
  4. Step 4: Simplify right side
    17,120.44x = 214,161,125.24
  5. Step 5: Solve for x
    x = 214,161,125.24/17,120.44
  6. Step 6: Final answer
    x = 12,509.09

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1.5x scale

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.