Home / 17,709.22-26,556.31-7,181.55

Finding the Fourth Proportional to 17,709.22, 26,556.31 and 7,181.55

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Solution

The fourth proportional to 17,709.22, 26,556.31 and 7,181.55 is: 10,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,709.22 : 26,556.31 = 7,181.55 : x
  2. Step 2: Convert to fraction form
    17,709.22/26,556.31 = 7,181.55/x
  3. Step 3: Cross multiply
    17,709.22x = 26,556.31 × 7,181.55
  4. Step 4: Simplify right side
    17,709.22x = 190,715,468.08
  5. Step 5: Solve for x
    x = 190,715,468.08/17,709.22
  6. Step 6: Final answer
    x = 10,769.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.