Home / 16,897.75-23,321.21-9,727.52

Finding the Fourth Proportional to 16,897.75, 23,321.21 and 9,727.52

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Solution

The fourth proportional to 16,897.75, 23,321.21 and 9,727.52 is: 13,425.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.75 : 23,321.21 = 9,727.52 : x
  2. Step 2: Convert to fraction form
    16,897.75/23,321.21 = 9,727.52/x
  3. Step 3: Cross multiply
    16,897.75x = 23,321.21 × 9,727.52
  4. Step 4: Simplify right side
    16,897.75x = 226,857,536.70
  5. Step 5: Solve for x
    x = 226,857,536.70/16,897.75
  6. Step 6: Final answer
    x = 13,425.31

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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.