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Finding the Fourth Proportional to 19,147, 26,422.60 and 10,763.52

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Solution

The fourth proportional to 19,147, 26,422.60 and 10,763.52 is: 14,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147 : 26,422.60 = 10,763.52 : x
  2. Step 2: Convert to fraction form
    19,147/26,422.60 = 10,763.52/x
  3. Step 3: Cross multiply
    19,147x = 26,422.60 × 10,763.52
  4. Step 4: Simplify right side
    19,147x = 284,400,183.55
  5. Step 5: Solve for x
    x = 284,400,183.55/19,147
  6. Step 6: Final answer
    x = 14,853.51

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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.