Home / 16,791.60-23,171.08-9,718.56

Finding the Fourth Proportional to 16,791.60, 23,171.08 and 9,718.56

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Solution

The fourth proportional to 16,791.60, 23,171.08 and 9,718.56 is: 13,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.60 : 23,171.08 = 9,718.56 : x
  2. Step 2: Convert to fraction form
    16,791.60/23,171.08 = 9,718.56/x
  3. Step 3: Cross multiply
    16,791.60x = 23,171.08 × 9,718.56
  4. Step 4: Simplify right side
    16,791.60x = 225,189,531.24
  5. Step 5: Solve for x
    x = 225,189,531.24/16,791.60
  6. Step 6: Final answer
    x = 13,410.84

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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.