Home / 19,236.76-28,845.10-12,996.52

Finding the Fourth Proportional to 19,236.76, 28,845.10 and 12,996.52

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Solution

The fourth proportional to 19,236.76, 28,845.10 and 12,996.52 is: 19,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.76 : 28,845.10 = 12,996.52 : x
  2. Step 2: Convert to fraction form
    19,236.76/28,845.10 = 12,996.52/x
  3. Step 3: Cross multiply
    19,236.76x = 28,845.10 × 12,996.52
  4. Step 4: Simplify right side
    19,236.76x = 374,885,919.05
  5. Step 5: Solve for x
    x = 374,885,919.05/19,236.76
  6. Step 6: Final answer
    x = 19,488.00

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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.