Home / 19,770.63-27,282.47-11,273.10

Finding the Fourth Proportional to 19,770.63, 27,282.47 and 11,273.10

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Solution

The fourth proportional to 19,770.63, 27,282.47 and 11,273.10 is: 15,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770.63 : 27,282.47 = 11,273.10 : x
  2. Step 2: Convert to fraction form
    19,770.63/27,282.47 = 11,273.10/x
  3. Step 3: Cross multiply
    19,770.63x = 27,282.47 × 11,273.10
  4. Step 4: Simplify right side
    19,770.63x = 307,557,956.19
  5. Step 5: Solve for x
    x = 307,557,956.19/19,770.63
  6. Step 6: Final answer
    x = 15,556.31

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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.