Home / 15,806.94-23,710.44-4,120.20

Finding the Fourth Proportional to 15,806.94, 23,710.44 and 4,120.20

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Solution

The fourth proportional to 15,806.94, 23,710.44 and 4,120.20 is: 6,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.94 : 23,710.44 = 4,120.20 : x
  2. Step 2: Convert to fraction form
    15,806.94/23,710.44 = 4,120.20/x
  3. Step 3: Cross multiply
    15,806.94x = 23,710.44 × 4,120.20
  4. Step 4: Simplify right side
    15,806.94x = 97,691,754.89
  5. Step 5: Solve for x
    x = 97,691,754.89/15,806.94
  6. Step 6: Final answer
    x = 6,180.31

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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.