Home / 15,619.44-23,429.04-5,231.12

Finding the Fourth Proportional to 15,619.44, 23,429.04 and 5,231.12

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Solution

The fourth proportional to 15,619.44, 23,429.04 and 5,231.12 is: 7,846.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.44 : 23,429.04 = 5,231.12 : x
  2. Step 2: Convert to fraction form
    15,619.44/23,429.04 = 5,231.12/x
  3. Step 3: Cross multiply
    15,619.44x = 23,429.04 × 5,231.12
  4. Step 4: Simplify right side
    15,619.44x = 122,560,119.72
  5. Step 5: Solve for x
    x = 122,560,119.72/15,619.44
  6. Step 6: Final answer
    x = 7,846.64

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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.