Home / 26,151.19-39,231.68-12,300.19

Finding the Fourth Proportional to 26,151.19, 39,231.68 and 12,300.19

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Solution

The fourth proportional to 26,151.19, 39,231.68 and 12,300.19 is: 18,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.19 : 39,231.68 = 12,300.19 : x
  2. Step 2: Convert to fraction form
    26,151.19/39,231.68 = 12,300.19/x
  3. Step 3: Cross multiply
    26,151.19x = 39,231.68 × 12,300.19
  4. Step 4: Simplify right side
    26,151.19x = 482,556,958.44
  5. Step 5: Solve for x
    x = 482,556,958.44/26,151.19
  6. Step 6: Final answer
    x = 18,452.58

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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.