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Finding the Fourth Proportional to 19,019.52, 26,244 and 10,634.40

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Solution

The fourth proportional to 19,019.52, 26,244 and 10,634.40 is: 14,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.52 : 26,244 = 10,634.40 : x
  2. Step 2: Convert to fraction form
    19,019.52/26,244 = 10,634.40/x
  3. Step 3: Cross multiply
    19,019.52x = 26,244 × 10,634.40
  4. Step 4: Simplify right side
    19,019.52x = 279,089,193.60
  5. Step 5: Solve for x
    x = 279,089,193.60/19,019.52
  6. Step 6: Final answer
    x = 14,673.83

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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.