Home / 19,338.73-29,009.60-8,245.50

Finding the Fourth Proportional to 19,338.73, 29,009.60 and 8,245.50

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Solution

The fourth proportional to 19,338.73, 29,009.60 and 8,245.50 is: 12,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.73 : 29,009.60 = 8,245.50 : x
  2. Step 2: Convert to fraction form
    19,338.73/29,009.60 = 8,245.50/x
  3. Step 3: Cross multiply
    19,338.73x = 29,009.60 × 8,245.50
  4. Step 4: Simplify right side
    19,338.73x = 239,198,656.80
  5. Step 5: Solve for x
    x = 239,198,656.80/19,338.73
  6. Step 6: Final answer
    x = 12,368.89

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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.