Home / 19,676.69-27,152.51-11,180.60

Finding the Fourth Proportional to 19,676.69, 27,152.51 and 11,180.60

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Solution

The fourth proportional to 19,676.69, 27,152.51 and 11,180.60 is: 15,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.69 : 27,152.51 = 11,180.60 : x
  2. Step 2: Convert to fraction form
    19,676.69/27,152.51 = 11,180.60/x
  3. Step 3: Cross multiply
    19,676.69x = 27,152.51 × 11,180.60
  4. Step 4: Simplify right side
    19,676.69x = 303,581,161.64
  5. Step 5: Solve for x
    x = 303,581,161.64/19,676.69
  6. Step 6: Final answer
    x = 15,428.47

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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.