Home / 22,376.44-30,882.63-12,819.25

Finding the Fourth Proportional to 22,376.44, 30,882.63 and 12,819.25

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Solution

The fourth proportional to 22,376.44, 30,882.63 and 12,819.25 is: 17,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.44 : 30,882.63 = 12,819.25 : x
  2. Step 2: Convert to fraction form
    22,376.44/30,882.63 = 12,819.25/x
  3. Step 3: Cross multiply
    22,376.44x = 30,882.63 × 12,819.25
  4. Step 4: Simplify right side
    22,376.44x = 395,892,154.63
  5. Step 5: Solve for x
    x = 395,892,154.63/22,376.44
  6. Step 6: Final answer
    x = 17,692.37

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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.