Home / 23,131.19-34,695-6,490.55

Finding the Fourth Proportional to 23,131.19, 34,695 and 6,490.55

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Solution

The fourth proportional to 23,131.19, 34,695 and 6,490.55 is: 9,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.19 : 34,695 = 6,490.55 : x
  2. Step 2: Convert to fraction form
    23,131.19/34,695 = 6,490.55/x
  3. Step 3: Cross multiply
    23,131.19x = 34,695 × 6,490.55
  4. Step 4: Simplify right side
    23,131.19x = 225,189,621.41
  5. Step 5: Solve for x
    x = 225,189,621.41/23,131.19
  6. Step 6: Final answer
    x = 9,735.32

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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.