Home / 13,849.37-20,792.51-11,782.66

Finding the Fourth Proportional to 13,849.37, 20,792.51 and 11,782.66

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Solution

The fourth proportional to 13,849.37, 20,792.51 and 11,782.66 is: 17,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.37 : 20,792.51 = 11,782.66 : x
  2. Step 2: Convert to fraction form
    13,849.37/20,792.51 = 11,782.66/x
  3. Step 3: Cross multiply
    13,849.37x = 20,792.51 × 11,782.66
  4. Step 4: Simplify right side
    13,849.37x = 244,990,913.00
  5. Step 5: Solve for x
    x = 244,990,913.00/13,849.37
  6. Step 6: Final answer
    x = 17,689.68

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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.