Home / 12,824.60-19,236.11-4,926.78

Finding the Fourth Proportional to 12,824.60, 19,236.11 and 4,926.78

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Solution

The fourth proportional to 12,824.60, 19,236.11 and 4,926.78 is: 7,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.60 : 19,236.11 = 4,926.78 : x
  2. Step 2: Convert to fraction form
    12,824.60/19,236.11 = 4,926.78/x
  3. Step 3: Cross multiply
    12,824.60x = 19,236.11 × 4,926.78
  4. Step 4: Simplify right side
    12,824.60x = 94,772,057.39
  5. Step 5: Solve for x
    x = 94,772,057.39/12,824.60
  6. Step 6: Final answer
    x = 7,389.87

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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.