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Finding the Fourth Proportional to 13,224.66, 19,851.39 and 6,992.34

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Solution

The fourth proportional to 13,224.66, 19,851.39 and 6,992.34 is: 10,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.66 : 19,851.39 = 6,992.34 : x
  2. Step 2: Convert to fraction form
    13,224.66/19,851.39 = 6,992.34/x
  3. Step 3: Cross multiply
    13,224.66x = 19,851.39 × 6,992.34
  4. Step 4: Simplify right side
    13,224.66x = 138,807,668.35
  5. Step 5: Solve for x
    x = 138,807,668.35/13,224.66
  6. Step 6: Final answer
    x = 10,496.12

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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.