Home / 16,791.06-23,171.36-11,485.70

Finding the Fourth Proportional to 16,791.06, 23,171.36 and 11,485.70

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Solution

The fourth proportional to 16,791.06, 23,171.36 and 11,485.70 is: 15,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.06 : 23,171.36 = 11,485.70 : x
  2. Step 2: Convert to fraction form
    16,791.06/23,171.36 = 11,485.70/x
  3. Step 3: Cross multiply
    16,791.06x = 23,171.36 × 11,485.70
  4. Step 4: Simplify right side
    16,791.06x = 266,139,116.27
  5. Step 5: Solve for x
    x = 266,139,116.27/16,791.06
  6. Step 6: Final answer
    x = 15,850.05

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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.