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Finding the Fourth Proportional to 16,959.72, 23,419.62 and 11,001

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Solution

The fourth proportional to 16,959.72, 23,419.62 and 11,001 is: 15,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.72 : 23,419.62 = 11,001 : x
  2. Step 2: Convert to fraction form
    16,959.72/23,419.62 = 11,001/x
  3. Step 3: Cross multiply
    16,959.72x = 23,419.62 × 11,001
  4. Step 4: Simplify right side
    16,959.72x = 257,639,239.62
  5. Step 5: Solve for x
    x = 257,639,239.62/16,959.72
  6. Step 6: Final answer
    x = 15,191.24

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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.