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Finding the Fourth Proportional to 19,397.94, 26,769.17 and 11,014.44

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Solution

The fourth proportional to 19,397.94, 26,769.17 and 11,014.44 is: 15,199.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.94 : 26,769.17 = 11,014.44 : x
  2. Step 2: Convert to fraction form
    19,397.94/26,769.17 = 11,014.44/x
  3. Step 3: Cross multiply
    19,397.94x = 26,769.17 × 11,014.44
  4. Step 4: Simplify right side
    19,397.94x = 294,847,416.81
  5. Step 5: Solve for x
    x = 294,847,416.81/19,397.94
  6. Step 6: Final answer
    x = 15,199.93

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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.