Home / 19,245.28-28,868.96-5,395.36

Finding the Fourth Proportional to 19,245.28, 28,868.96 and 5,395.36

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Solution

The fourth proportional to 19,245.28, 28,868.96 and 5,395.36 is: 8,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.28 : 28,868.96 = 5,395.36 : x
  2. Step 2: Convert to fraction form
    19,245.28/28,868.96 = 5,395.36/x
  3. Step 3: Cross multiply
    19,245.28x = 28,868.96 × 5,395.36
  4. Step 4: Simplify right side
    19,245.28x = 155,758,432.03
  5. Step 5: Solve for x
    x = 155,758,432.03/19,245.28
  6. Step 6: Final answer
    x = 8,093.33

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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.