Home / 17,112.84-25,654.26-8,223.72

Finding the Fourth Proportional to 17,112.84, 25,654.26 and 8,223.72

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Solution

The fourth proportional to 17,112.84, 25,654.26 and 8,223.72 is: 12,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.84 : 25,654.26 = 8,223.72 : x
  2. Step 2: Convert to fraction form
    17,112.84/25,654.26 = 8,223.72/x
  3. Step 3: Cross multiply
    17,112.84x = 25,654.26 × 8,223.72
  4. Step 4: Simplify right side
    17,112.84x = 210,973,451.05
  5. Step 5: Solve for x
    x = 210,973,451.05/17,112.84
  6. Step 6: Final answer
    x = 12,328.37

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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.