Home / 14,509.98-20,028.33-8,226.54

Finding the Fourth Proportional to 14,509.98, 20,028.33 and 8,226.54

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Solution

The fourth proportional to 14,509.98, 20,028.33 and 8,226.54 is: 11,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.98 : 20,028.33 = 8,226.54 : x
  2. Step 2: Convert to fraction form
    14,509.98/20,028.33 = 8,226.54/x
  3. Step 3: Cross multiply
    14,509.98x = 20,028.33 × 8,226.54
  4. Step 4: Simplify right side
    14,509.98x = 164,763,857.88
  5. Step 5: Solve for x
    x = 164,763,857.88/14,509.98
  6. Step 6: Final answer
    x = 11,355.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.