Home / 26,378.99-39,568.55-6,657.54

Finding the Fourth Proportional to 26,378.99, 39,568.55 and 6,657.54

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Solution

The fourth proportional to 26,378.99, 39,568.55 and 6,657.54 is: 9,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.99 : 39,568.55 = 6,657.54 : x
  2. Step 2: Convert to fraction form
    26,378.99/39,568.55 = 6,657.54/x
  3. Step 3: Cross multiply
    26,378.99x = 39,568.55 × 6,657.54
  4. Step 4: Simplify right side
    26,378.99x = 263,429,171.08
  5. Step 5: Solve for x
    x = 263,429,171.08/26,378.99
  6. Step 6: Final answer
    x = 9,986.33

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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.