Home / 19,295.21-28,948.30-6,148.60

Finding the Fourth Proportional to 19,295.21, 28,948.30 and 6,148.60

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Solution

The fourth proportional to 19,295.21, 28,948.30 and 6,148.60 is: 9,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.21 : 28,948.30 = 6,148.60 : x
  2. Step 2: Convert to fraction form
    19,295.21/28,948.30 = 6,148.60/x
  3. Step 3: Cross multiply
    19,295.21x = 28,948.30 × 6,148.60
  4. Step 4: Simplify right side
    19,295.21x = 177,991,517.38
  5. Step 5: Solve for x
    x = 177,991,517.38/19,295.21
  6. Step 6: Final answer
    x = 9,224.65

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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.