Home / 13,497.82-20,192.66-11,668.64

Finding the Fourth Proportional to 13,497.82, 20,192.66 and 11,668.64

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Solution

The fourth proportional to 13,497.82, 20,192.66 and 11,668.64 is: 17,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.82 : 20,192.66 = 11,668.64 : x
  2. Step 2: Convert to fraction form
    13,497.82/20,192.66 = 11,668.64/x
  3. Step 3: Cross multiply
    13,497.82x = 20,192.66 × 11,668.64
  4. Step 4: Simplify right side
    13,497.82x = 235,620,880.18
  5. Step 5: Solve for x
    x = 235,620,880.18/13,497.82
  6. Step 6: Final answer
    x = 17,456.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.