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Finding the Fourth Proportional to 19,553.24, 26,983.12 and 11,055.24

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Solution

The fourth proportional to 19,553.24, 26,983.12 and 11,055.24 is: 15,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.24 : 26,983.12 = 11,055.24 : x
  2. Step 2: Convert to fraction form
    19,553.24/26,983.12 = 11,055.24/x
  3. Step 3: Cross multiply
    19,553.24x = 26,983.12 × 11,055.24
  4. Step 4: Simplify right side
    19,553.24x = 298,304,867.55
  5. Step 5: Solve for x
    x = 298,304,867.55/19,553.24
  6. Step 6: Final answer
    x = 15,256.03

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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.