Home / 15,620.70-23,418.20-7,296.60

Finding the Fourth Proportional to 15,620.70, 23,418.20 and 7,296.60

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Solution

The fourth proportional to 15,620.70, 23,418.20 and 7,296.60 is: 10,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.70 : 23,418.20 = 7,296.60 : x
  2. Step 2: Convert to fraction form
    15,620.70/23,418.20 = 7,296.60/x
  3. Step 3: Cross multiply
    15,620.70x = 23,418.20 × 7,296.60
  4. Step 4: Simplify right side
    15,620.70x = 170,873,238.12
  5. Step 5: Solve for x
    x = 170,873,238.12/15,620.70
  6. Step 6: Final answer
    x = 10,938.90

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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.