Home / 25,769.35-38,653.41-8,239.33

Finding the Fourth Proportional to 25,769.35, 38,653.41 and 8,239.33

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Solution

The fourth proportional to 25,769.35, 38,653.41 and 8,239.33 is: 12,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.35 : 38,653.41 = 8,239.33 : x
  2. Step 2: Convert to fraction form
    25,769.35/38,653.41 = 8,239.33/x
  3. Step 3: Cross multiply
    25,769.35x = 38,653.41 × 8,239.33
  4. Step 4: Simplify right side
    25,769.35x = 318,478,007.35
  5. Step 5: Solve for x
    x = 318,478,007.35/25,769.35
  6. Step 6: Final answer
    x = 12,358.79

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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.