Home / 12,039.63-18,083.94-9,256.60

Finding the Fourth Proportional to 12,039.63, 18,083.94 and 9,256.60

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Solution

The fourth proportional to 12,039.63, 18,083.94 and 9,256.60 is: 13,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.63 : 18,083.94 = 9,256.60 : x
  2. Step 2: Convert to fraction form
    12,039.63/18,083.94 = 9,256.60/x
  3. Step 3: Cross multiply
    12,039.63x = 18,083.94 × 9,256.60
  4. Step 4: Simplify right side
    12,039.63x = 167,395,799.00
  5. Step 5: Solve for x
    x = 167,395,799.00/12,039.63
  6. Step 6: Final answer
    x = 13,903.73

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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.