Home / 14,125.44-19,492.20-8,819.94

Finding the Fourth Proportional to 14,125.44, 19,492.20 and 8,819.94

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Solution

The fourth proportional to 14,125.44, 19,492.20 and 8,819.94 is: 12,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.44 : 19,492.20 = 8,819.94 : x
  2. Step 2: Convert to fraction form
    14,125.44/19,492.20 = 8,819.94/x
  3. Step 3: Cross multiply
    14,125.44x = 19,492.20 × 8,819.94
  4. Step 4: Simplify right side
    14,125.44x = 171,920,034.47
  5. Step 5: Solve for x
    x = 171,920,034.47/14,125.44
  6. Step 6: Final answer
    x = 12,170.95

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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.