Home / 11,965.44-18,037.74-11,162.63

Finding the Fourth Proportional to 11,965.44, 18,037.74 and 11,162.63

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Solution

The fourth proportional to 11,965.44, 18,037.74 and 11,162.63 is: 16,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.44 : 18,037.74 = 11,162.63 : x
  2. Step 2: Convert to fraction form
    11,965.44/18,037.74 = 11,162.63/x
  3. Step 3: Cross multiply
    11,965.44x = 18,037.74 × 11,162.63
  4. Step 4: Simplify right side
    11,965.44x = 201,348,617.66
  5. Step 5: Solve for x
    x = 201,348,617.66/11,965.44
  6. Step 6: Final answer
    x = 16,827.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.