Home / 12,268.25-16,928.15-11,645.56

Finding the Fourth Proportional to 12,268.25, 16,928.15 and 11,645.56

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Solution

The fourth proportional to 12,268.25, 16,928.15 and 11,645.56 is: 16,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.25 : 16,928.15 = 11,645.56 : x
  2. Step 2: Convert to fraction form
    12,268.25/16,928.15 = 11,645.56/x
  3. Step 3: Cross multiply
    12,268.25x = 16,928.15 × 11,645.56
  4. Step 4: Simplify right side
    12,268.25x = 197,137,786.51
  5. Step 5: Solve for x
    x = 197,137,786.51/12,268.25
  6. Step 6: Final answer
    x = 16,068.94

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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.