Home / 16,025.87-22,111.20-9,219.54

Finding the Fourth Proportional to 16,025.87, 22,111.20 and 9,219.54

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Solution

The fourth proportional to 16,025.87, 22,111.20 and 9,219.54 is: 12,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,025.87 : 22,111.20 = 9,219.54 : x
  2. Step 2: Convert to fraction form
    16,025.87/22,111.20 = 9,219.54/x
  3. Step 3: Cross multiply
    16,025.87x = 22,111.20 × 9,219.54
  4. Step 4: Simplify right side
    16,025.87x = 203,854,936.19
  5. Step 5: Solve for x
    x = 203,854,936.19/16,025.87
  6. Step 6: Final answer
    x = 12,720.37

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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.