Home / 13,879.35-20,822.67-4,018.41

Finding the Fourth Proportional to 13,879.35, 20,822.67 and 4,018.41

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Solution

The fourth proportional to 13,879.35, 20,822.67 and 4,018.41 is: 6,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.35 : 20,822.67 = 4,018.41 : x
  2. Step 2: Convert to fraction form
    13,879.35/20,822.67 = 4,018.41/x
  3. Step 3: Cross multiply
    13,879.35x = 20,822.67 × 4,018.41
  4. Step 4: Simplify right side
    13,879.35x = 83,674,025.35
  5. Step 5: Solve for x
    x = 83,674,025.35/13,879.35
  6. Step 6: Final answer
    x = 6,028.67

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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.