Home / 13,157.20-19,743.58-4,843.05

Finding the Fourth Proportional to 13,157.20, 19,743.58 and 4,843.05

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Solution

The fourth proportional to 13,157.20, 19,743.58 and 4,843.05 is: 7,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.20 : 19,743.58 = 4,843.05 : x
  2. Step 2: Convert to fraction form
    13,157.20/19,743.58 = 4,843.05/x
  3. Step 3: Cross multiply
    13,157.20x = 19,743.58 × 4,843.05
  4. Step 4: Simplify right side
    13,157.20x = 95,619,145.12
  5. Step 5: Solve for x
    x = 95,619,145.12/13,157.20
  6. Step 6: Final answer
    x = 7,267.44

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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.