Home / 12,997.22-19,497.76-3,762.02

Finding the Fourth Proportional to 12,997.22, 19,497.76 and 3,762.02

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Solution

The fourth proportional to 12,997.22, 19,497.76 and 3,762.02 is: 5,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.22 : 19,497.76 = 3,762.02 : x
  2. Step 2: Convert to fraction form
    12,997.22/19,497.76 = 3,762.02/x
  3. Step 3: Cross multiply
    12,997.22x = 19,497.76 × 3,762.02
  4. Step 4: Simplify right side
    12,997.22x = 73,350,963.08
  5. Step 5: Solve for x
    x = 73,350,963.08/12,997.22
  6. Step 6: Final answer
    x = 5,643.59

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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.