Home / 19,824.21-27,357.36-11,442.33

Finding the Fourth Proportional to 19,824.21, 27,357.36 and 11,442.33

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Solution

The fourth proportional to 19,824.21, 27,357.36 and 11,442.33 is: 15,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.21 : 27,357.36 = 11,442.33 : x
  2. Step 2: Convert to fraction form
    19,824.21/27,357.36 = 11,442.33/x
  3. Step 3: Cross multiply
    19,824.21x = 27,357.36 × 11,442.33
  4. Step 4: Simplify right side
    19,824.21x = 313,031,941.05
  5. Step 5: Solve for x
    x = 313,031,941.05/19,824.21
  6. Step 6: Final answer
    x = 15,790.39

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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.