Home / 14,180.36-21,269.26-4,321.96

Finding the Fourth Proportional to 14,180.36, 21,269.26 and 4,321.96

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Solution

The fourth proportional to 14,180.36, 21,269.26 and 4,321.96 is: 6,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.36 : 21,269.26 = 4,321.96 : x
  2. Step 2: Convert to fraction form
    14,180.36/21,269.26 = 4,321.96/x
  3. Step 3: Cross multiply
    14,180.36x = 21,269.26 × 4,321.96
  4. Step 4: Simplify right side
    14,180.36x = 91,924,890.95
  5. Step 5: Solve for x
    x = 91,924,890.95/14,180.36
  6. Step 6: Final answer
    x = 6,482.55

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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.