Home / 18,556.89-25,594.38-15,974.20

Finding the Fourth Proportional to 18,556.89, 25,594.38 and 15,974.20

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Solution

The fourth proportional to 18,556.89, 25,594.38 and 15,974.20 is: 22,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.89 : 25,594.38 = 15,974.20 : x
  2. Step 2: Convert to fraction form
    18,556.89/25,594.38 = 15,974.20/x
  3. Step 3: Cross multiply
    18,556.89x = 25,594.38 × 15,974.20
  4. Step 4: Simplify right side
    18,556.89x = 408,849,745.00
  5. Step 5: Solve for x
    x = 408,849,745.00/18,556.89
  6. Step 6: Final answer
    x = 22,032.23

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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.