Home / 19,837.36-27,375.55-11,339.66

Finding the Fourth Proportional to 19,837.36, 27,375.55 and 11,339.66

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Solution

The fourth proportional to 19,837.36, 27,375.55 and 11,339.66 is: 15,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.36 : 27,375.55 = 11,339.66 : x
  2. Step 2: Convert to fraction form
    19,837.36/27,375.55 = 11,339.66/x
  3. Step 3: Cross multiply
    19,837.36x = 27,375.55 × 11,339.66
  4. Step 4: Simplify right side
    19,837.36x = 310,429,429.31
  5. Step 5: Solve for x
    x = 310,429,429.31/19,837.36
  6. Step 6: Final answer
    x = 15,648.73

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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.