Home / 12,028.56-18,083.16-9,853.44

Finding the Fourth Proportional to 12,028.56, 18,083.16 and 9,853.44

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Solution

The fourth proportional to 12,028.56, 18,083.16 and 9,853.44 is: 14,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.56 : 18,083.16 = 9,853.44 : x
  2. Step 2: Convert to fraction form
    12,028.56/18,083.16 = 9,853.44/x
  3. Step 3: Cross multiply
    12,028.56x = 18,083.16 × 9,853.44
  4. Step 4: Simplify right side
    12,028.56x = 178,181,332.07
  5. Step 5: Solve for x
    x = 178,181,332.07/12,028.56
  6. Step 6: Final answer
    x = 14,813.19

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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.