Home / 19,968.72-27,556.65-10,894.56

Finding the Fourth Proportional to 19,968.72, 27,556.65 and 10,894.56

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Solution

The fourth proportional to 19,968.72, 27,556.65 and 10,894.56 is: 15,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.72 : 27,556.65 = 10,894.56 : x
  2. Step 2: Convert to fraction form
    19,968.72/27,556.65 = 10,894.56/x
  3. Step 3: Cross multiply
    19,968.72x = 27,556.65 × 10,894.56
  4. Step 4: Simplify right side
    19,968.72x = 300,217,576.82
  5. Step 5: Solve for x
    x = 300,217,576.82/19,968.72
  6. Step 6: Final answer
    x = 15,034.39

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1.5x scale

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.