Home / 26,049.81-39,074.73-8,519.64

Finding the Fourth Proportional to 26,049.81, 39,074.73 and 8,519.64

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Solution

The fourth proportional to 26,049.81, 39,074.73 and 8,519.64 is: 12,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,049.81 : 39,074.73 = 8,519.64 : x
  2. Step 2: Convert to fraction form
    26,049.81/39,074.73 = 8,519.64/x
  3. Step 3: Cross multiply
    26,049.81x = 39,074.73 × 8,519.64
  4. Step 4: Simplify right side
    26,049.81x = 332,902,632.70
  5. Step 5: Solve for x
    x = 332,902,632.70/26,049.81
  6. Step 6: Final answer
    x = 12,779.46

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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.