Home / 12,733.68-19,102.02-3,968.64

Finding the Fourth Proportional to 12,733.68, 19,102.02 and 3,968.64

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Solution

The fourth proportional to 12,733.68, 19,102.02 and 3,968.64 is: 5,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733.68 : 19,102.02 = 3,968.64 : x
  2. Step 2: Convert to fraction form
    12,733.68/19,102.02 = 3,968.64/x
  3. Step 3: Cross multiply
    12,733.68x = 19,102.02 × 3,968.64
  4. Step 4: Simplify right side
    12,733.68x = 75,809,040.65
  5. Step 5: Solve for x
    x = 75,809,040.65/12,733.68
  6. Step 6: Final answer
    x = 5,953.43

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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.