Home / 14,772.36-20,382.19-9,028.33

Finding the Fourth Proportional to 14,772.36, 20,382.19 and 9,028.33

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Solution

The fourth proportional to 14,772.36, 20,382.19 and 9,028.33 is: 12,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.36 : 20,382.19 = 9,028.33 : x
  2. Step 2: Convert to fraction form
    14,772.36/20,382.19 = 9,028.33/x
  3. Step 3: Cross multiply
    14,772.36x = 20,382.19 × 9,028.33
  4. Step 4: Simplify right side
    14,772.36x = 184,017,137.44
  5. Step 5: Solve for x
    x = 184,017,137.44/14,772.36
  6. Step 6: Final answer
    x = 12,456.85

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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.