Home / 19,315.76-28,968.60-6,834.56

Finding the Fourth Proportional to 19,315.76, 28,968.60 and 6,834.56

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Solution

The fourth proportional to 19,315.76, 28,968.60 and 6,834.56 is: 10,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.76 : 28,968.60 = 6,834.56 : x
  2. Step 2: Convert to fraction form
    19,315.76/28,968.60 = 6,834.56/x
  3. Step 3: Cross multiply
    19,315.76x = 28,968.60 × 6,834.56
  4. Step 4: Simplify right side
    19,315.76x = 197,987,634.82
  5. Step 5: Solve for x
    x = 197,987,634.82/19,315.76
  6. Step 6: Final answer
    x = 10,250.06

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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.