Home / 19,296.72-28,926.60-6,140.54

Finding the Fourth Proportional to 19,296.72, 28,926.60 and 6,140.54

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Solution

The fourth proportional to 19,296.72, 28,926.60 and 6,140.54 is: 9,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.72 : 28,926.60 = 6,140.54 : x
  2. Step 2: Convert to fraction form
    19,296.72/28,926.60 = 6,140.54/x
  3. Step 3: Cross multiply
    19,296.72x = 28,926.60 × 6,140.54
  4. Step 4: Simplify right side
    19,296.72x = 177,624,799.73
  5. Step 5: Solve for x
    x = 177,624,799.73/19,296.72
  6. Step 6: Final answer
    x = 9,204.92

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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.