Home / 19,257.85-28,889.87-6,109.22

Finding the Fourth Proportional to 19,257.85, 28,889.87 and 6,109.22

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Solution

The fourth proportional to 19,257.85, 28,889.87 and 6,109.22 is: 9,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.85 : 28,889.87 = 6,109.22 : x
  2. Step 2: Convert to fraction form
    19,257.85/28,889.87 = 6,109.22/x
  3. Step 3: Cross multiply
    19,257.85x = 28,889.87 × 6,109.22
  4. Step 4: Simplify right side
    19,257.85x = 176,494,613.28
  5. Step 5: Solve for x
    x = 176,494,613.28/19,257.85
  6. Step 6: Final answer
    x = 9,164.81

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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.