Home / 13,830.14-20,747.10-4,467.05

Finding the Fourth Proportional to 13,830.14, 20,747.10 and 4,467.05

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Solution

The fourth proportional to 13,830.14, 20,747.10 and 4,467.05 is: 6,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.14 : 20,747.10 = 4,467.05 : x
  2. Step 2: Convert to fraction form
    13,830.14/20,747.10 = 4,467.05/x
  3. Step 3: Cross multiply
    13,830.14x = 20,747.10 × 4,467.05
  4. Step 4: Simplify right side
    13,830.14x = 92,678,229.32
  5. Step 5: Solve for x
    x = 92,678,229.32/13,830.14
  6. Step 6: Final answer
    x = 6,701.18

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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.