Home / 19,851.84-27,394.64-11,898.48

Finding the Fourth Proportional to 19,851.84, 27,394.64 and 11,898.48

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Solution

The fourth proportional to 19,851.84, 27,394.64 and 11,898.48 is: 16,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.84 : 27,394.64 = 11,898.48 : x
  2. Step 2: Convert to fraction form
    19,851.84/27,394.64 = 11,898.48/x
  3. Step 3: Cross multiply
    19,851.84x = 27,394.64 × 11,898.48
  4. Step 4: Simplify right side
    19,851.84x = 325,954,576.15
  5. Step 5: Solve for x
    x = 325,954,576.15/19,851.84
  6. Step 6: Final answer
    x = 16,419.36

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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.