Home / 13,827.24-20,743.14-5,074.44

Finding the Fourth Proportional to 13,827.24, 20,743.14 and 5,074.44

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Solution

The fourth proportional to 13,827.24, 20,743.14 and 5,074.44 is: 7,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.24 : 20,743.14 = 5,074.44 : x
  2. Step 2: Convert to fraction form
    13,827.24/20,743.14 = 5,074.44/x
  3. Step 3: Cross multiply
    13,827.24x = 20,743.14 × 5,074.44
  4. Step 4: Simplify right side
    13,827.24x = 105,259,819.34
  5. Step 5: Solve for x
    x = 105,259,819.34/13,827.24
  6. Step 6: Final answer
    x = 7,612.50

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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.