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Finding the Fourth Proportional to 19,164.50, 26,447.22 and 10,551.65

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Solution

The fourth proportional to 19,164.50, 26,447.22 and 10,551.65 is: 14,561.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.50 : 26,447.22 = 10,551.65 : x
  2. Step 2: Convert to fraction form
    19,164.50/26,447.22 = 10,551.65/x
  3. Step 3: Cross multiply
    19,164.50x = 26,447.22 × 10,551.65
  4. Step 4: Simplify right side
    19,164.50x = 279,061,676.68
  5. Step 5: Solve for x
    x = 279,061,676.68/19,164.50
  6. Step 6: Final answer
    x = 14,561.39

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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.