Home / 16,791.03-23,171.18-9,717.57

Finding the Fourth Proportional to 16,791.03, 23,171.18 and 9,717.57

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Solution

The fourth proportional to 16,791.03, 23,171.18 and 9,717.57 is: 13,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.03 : 23,171.18 = 9,717.57 : x
  2. Step 2: Convert to fraction form
    16,791.03/23,171.18 = 9,717.57/x
  3. Step 3: Cross multiply
    16,791.03x = 23,171.18 × 9,717.57
  4. Step 4: Simplify right side
    16,791.03x = 225,167,515.04
  5. Step 5: Solve for x
    x = 225,167,515.04/16,791.03
  6. Step 6: Final answer
    x = 13,409.99

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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.