Home / 26,183.70-39,098.18-20,574.09

Finding the Fourth Proportional to 26,183.70, 39,098.18 and 20,574.09

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Solution

The fourth proportional to 26,183.70, 39,098.18 and 20,574.09 is: 30,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,183.70 : 39,098.18 = 20,574.09 : x
  2. Step 2: Convert to fraction form
    26,183.70/39,098.18 = 20,574.09/x
  3. Step 3: Cross multiply
    26,183.70x = 39,098.18 × 20,574.09
  4. Step 4: Simplify right side
    26,183.70x = 804,409,525.59
  5. Step 5: Solve for x
    x = 804,409,525.59/26,183.70
  6. Step 6: Final answer
    x = 30,721.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.