Home / 12,009.68-18,014.50-6,676.25

Finding the Fourth Proportional to 12,009.68, 18,014.50 and 6,676.25

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Solution

The fourth proportional to 12,009.68, 18,014.50 and 6,676.25 is: 10,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.68 : 18,014.50 = 6,676.25 : x
  2. Step 2: Convert to fraction form
    12,009.68/18,014.50 = 6,676.25/x
  3. Step 3: Cross multiply
    12,009.68x = 18,014.50 × 6,676.25
  4. Step 4: Simplify right side
    12,009.68x = 120,269,333.97
  5. Step 5: Solve for x
    x = 120,269,333.97/12,009.68
  6. Step 6: Final answer
    x = 10,014.36

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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.