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Finding the Fourth Proportional to 17,484.94, 26,190.42 and 14,138.84

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Solution

The fourth proportional to 17,484.94, 26,190.42 and 14,138.84 is: 21,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,484.94 : 26,190.42 = 14,138.84 : x
  2. Step 2: Convert to fraction form
    17,484.94/26,190.42 = 14,138.84/x
  3. Step 3: Cross multiply
    17,484.94x = 26,190.42 × 14,138.84
  4. Step 4: Simplify right side
    17,484.94x = 370,302,157.91
  5. Step 5: Solve for x
    x = 370,302,157.91/17,484.94
  6. Step 6: Final answer
    x = 21,178.35

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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.