Home / 15,556.74-23,330.25-6,789.30

Finding the Fourth Proportional to 15,556.74, 23,330.25 and 6,789.30

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Solution

The fourth proportional to 15,556.74, 23,330.25 and 6,789.30 is: 10,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.74 : 23,330.25 = 6,789.30 : x
  2. Step 2: Convert to fraction form
    15,556.74/23,330.25 = 6,789.30/x
  3. Step 3: Cross multiply
    15,556.74x = 23,330.25 × 6,789.30
  4. Step 4: Simplify right side
    15,556.74x = 158,396,066.33
  5. Step 5: Solve for x
    x = 158,396,066.33/15,556.74
  6. Step 6: Final answer
    x = 10,181.83

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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.