Home / 19,247.25-28,872.51-5,396.25

Finding the Fourth Proportional to 19,247.25, 28,872.51 and 5,396.25

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Solution

The fourth proportional to 19,247.25, 28,872.51 and 5,396.25 is: 8,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.25 : 28,872.51 = 5,396.25 : x
  2. Step 2: Convert to fraction form
    19,247.25/28,872.51 = 5,396.25/x
  3. Step 3: Cross multiply
    19,247.25x = 28,872.51 × 5,396.25
  4. Step 4: Simplify right side
    19,247.25x = 155,803,282.09
  5. Step 5: Solve for x
    x = 155,803,282.09/19,247.25
  6. Step 6: Final answer
    x = 8,094.83

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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.