Home / 12,660.44-18,991.67-9,546.39

Finding the Fourth Proportional to 12,660.44, 18,991.67 and 9,546.39

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Solution

The fourth proportional to 12,660.44, 18,991.67 and 9,546.39 is: 14,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.44 : 18,991.67 = 9,546.39 : x
  2. Step 2: Convert to fraction form
    12,660.44/18,991.67 = 9,546.39/x
  3. Step 3: Cross multiply
    12,660.44x = 18,991.67 × 9,546.39
  4. Step 4: Simplify right side
    12,660.44x = 181,301,840.84
  5. Step 5: Solve for x
    x = 181,301,840.84/12,660.44
  6. Step 6: Final answer
    x = 14,320.35

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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.