Home / 16,015.20-24,022.32-4,921.44

Finding the Fourth Proportional to 16,015.20, 24,022.32 and 4,921.44

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Solution

The fourth proportional to 16,015.20, 24,022.32 and 4,921.44 is: 7,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,015.20 : 24,022.32 = 4,921.44 : x
  2. Step 2: Convert to fraction form
    16,015.20/24,022.32 = 4,921.44/x
  3. Step 3: Cross multiply
    16,015.20x = 24,022.32 × 4,921.44
  4. Step 4: Simplify right side
    16,015.20x = 118,224,406.54
  5. Step 5: Solve for x
    x = 118,224,406.54/16,015.20
  6. Step 6: Final answer
    x = 7,382.01

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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.