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Finding the Fourth Proportional to 19,794.52, 27,315.14 and 11,297.01

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Solution

The fourth proportional to 19,794.52, 27,315.14 and 11,297.01 is: 15,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.52 : 27,315.14 = 11,297.01 : x
  2. Step 2: Convert to fraction form
    19,794.52/27,315.14 = 11,297.01/x
  3. Step 3: Cross multiply
    19,794.52x = 27,315.14 × 11,297.01
  4. Step 4: Simplify right side
    19,794.52x = 308,579,409.73
  5. Step 5: Solve for x
    x = 308,579,409.73/19,794.52
  6. Step 6: Final answer
    x = 15,589.13

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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.