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Finding the Fourth Proportional to 19,959.98, 27,544.95 and 11,007.24

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Solution

The fourth proportional to 19,959.98, 27,544.95 and 11,007.24 is: 15,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.98 : 27,544.95 = 11,007.24 : x
  2. Step 2: Convert to fraction form
    19,959.98/27,544.95 = 11,007.24/x
  3. Step 3: Cross multiply
    19,959.98x = 27,544.95 × 11,007.24
  4. Step 4: Simplify right side
    19,959.98x = 303,193,875.44
  5. Step 5: Solve for x
    x = 303,193,875.44/19,959.98
  6. Step 6: Final answer
    x = 15,190.09

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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.