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Finding the Fourth Proportional to 19,480.56, 26,883.12 and 11,097.12

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Solution

The fourth proportional to 19,480.56, 26,883.12 and 11,097.12 is: 15,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.56 : 26,883.12 = 11,097.12 : x
  2. Step 2: Convert to fraction form
    19,480.56/26,883.12 = 11,097.12/x
  3. Step 3: Cross multiply
    19,480.56x = 26,883.12 × 11,097.12
  4. Step 4: Simplify right side
    19,480.56x = 298,325,208.61
  5. Step 5: Solve for x
    x = 298,325,208.61/19,480.56
  6. Step 6: Final answer
    x = 15,314.00

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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.