Home / 19,825.02-27,343.17-11,865.69

Finding the Fourth Proportional to 19,825.02, 27,343.17 and 11,865.69

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Solution

The fourth proportional to 19,825.02, 27,343.17 and 11,865.69 is: 16,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.02 : 27,343.17 = 11,865.69 : x
  2. Step 2: Convert to fraction form
    19,825.02/27,343.17 = 11,865.69/x
  3. Step 3: Cross multiply
    19,825.02x = 27,343.17 × 11,865.69
  4. Step 4: Simplify right side
    19,825.02x = 324,445,578.84
  5. Step 5: Solve for x
    x = 324,445,578.84/19,825.02
  6. Step 6: Final answer
    x = 16,365.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.