Home / 15,620.34-21,556.23-8,546.92

Finding the Fourth Proportional to 15,620.34, 21,556.23 and 8,546.92

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Solution

The fourth proportional to 15,620.34, 21,556.23 and 8,546.92 is: 11,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.34 : 21,556.23 = 8,546.92 : x
  2. Step 2: Convert to fraction form
    15,620.34/21,556.23 = 8,546.92/x
  3. Step 3: Cross multiply
    15,620.34x = 21,556.23 × 8,546.92
  4. Step 4: Simplify right side
    15,620.34x = 184,239,287.37
  5. Step 5: Solve for x
    x = 184,239,287.37/15,620.34
  6. Step 6: Final answer
    x = 11,794.83

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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.