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Finding the Fourth Proportional to 17,036.70, 25,522.21 and 13,920.22

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Solution

The fourth proportional to 17,036.70, 25,522.21 and 13,920.22 is: 20,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,036.70 : 25,522.21 = 13,920.22 : x
  2. Step 2: Convert to fraction form
    17,036.70/25,522.21 = 13,920.22/x
  3. Step 3: Cross multiply
    17,036.70x = 25,522.21 × 13,920.22
  4. Step 4: Simplify right side
    17,036.70x = 355,274,778.09
  5. Step 5: Solve for x
    x = 355,274,778.09/17,036.70
  6. Step 6: Final answer
    x = 20,853.50

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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.