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Finding the Fourth Proportional to 19,197.60, 28,794.24 and 14,274.60

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Solution

The fourth proportional to 19,197.60, 28,794.24 and 14,274.60 is: 21,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.60 : 28,794.24 = 14,274.60 : x
  2. Step 2: Convert to fraction form
    19,197.60/28,794.24 = 14,274.60/x
  3. Step 3: Cross multiply
    19,197.60x = 28,794.24 × 14,274.60
  4. Step 4: Simplify right side
    19,197.60x = 411,026,258.30
  5. Step 5: Solve for x
    x = 411,026,258.30/19,197.60
  6. Step 6: Final answer
    x = 21,410.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.