Home / 13,712.24-20,556-4,941.04

Finding the Fourth Proportional to 13,712.24, 20,556 and 4,941.04

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Solution

The fourth proportional to 13,712.24, 20,556 and 4,941.04 is: 7,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.24 : 20,556 = 4,941.04 : x
  2. Step 2: Convert to fraction form
    13,712.24/20,556 = 4,941.04/x
  3. Step 3: Cross multiply
    13,712.24x = 20,556 × 4,941.04
  4. Step 4: Simplify right side
    13,712.24x = 101,568,018.24
  5. Step 5: Solve for x
    x = 101,568,018.24/13,712.24
  6. Step 6: Final answer
    x = 7,407.11

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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.