Home / 23,728.20-35,621.10-13,206.60

Finding the Fourth Proportional to 23,728.20, 35,621.10 and 13,206.60

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Solution

The fourth proportional to 23,728.20, 35,621.10 and 13,206.60 is: 19,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,728.20 : 35,621.10 = 13,206.60 : x
  2. Step 2: Convert to fraction form
    23,728.20/35,621.10 = 13,206.60/x
  3. Step 3: Cross multiply
    23,728.20x = 35,621.10 × 13,206.60
  4. Step 4: Simplify right side
    23,728.20x = 470,433,619.26
  5. Step 5: Solve for x
    x = 470,433,619.26/23,728.20
  6. Step 6: Final answer
    x = 19,825.93

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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.