Home / 27,273.78-37,646.40-19,843.38

Finding the Fourth Proportional to 27,273.78, 37,646.40 and 19,843.38

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Solution

The fourth proportional to 27,273.78, 37,646.40 and 19,843.38 is: 27,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,273.78 : 37,646.40 = 19,843.38 : x
  2. Step 2: Convert to fraction form
    27,273.78/37,646.40 = 19,843.38/x
  3. Step 3: Cross multiply
    27,273.78x = 37,646.40 × 19,843.38
  4. Step 4: Simplify right side
    27,273.78x = 747,031,820.83
  5. Step 5: Solve for x
    x = 747,031,820.83/27,273.78
  6. Step 6: Final answer
    x = 27,390.11

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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.