Home / 19,556.36-26,989.31-16,514.72

Finding the Fourth Proportional to 19,556.36, 26,989.31 and 16,514.72

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Solution

The fourth proportional to 19,556.36, 26,989.31 and 16,514.72 is: 22,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.36 : 26,989.31 = 16,514.72 : x
  2. Step 2: Convert to fraction form
    19,556.36/26,989.31 = 16,514.72/x
  3. Step 3: Cross multiply
    19,556.36x = 26,989.31 × 16,514.72
  4. Step 4: Simplify right side
    19,556.36x = 445,720,680.12
  5. Step 5: Solve for x
    x = 445,720,680.12/19,556.36
  6. Step 6: Final answer
    x = 22,791.60

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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.