Home / 13,714.09-20,571.93-3,854.14

Finding the Fourth Proportional to 13,714.09, 20,571.93 and 3,854.14

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Solution

The fourth proportional to 13,714.09, 20,571.93 and 3,854.14 is: 5,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.09 : 20,571.93 = 3,854.14 : x
  2. Step 2: Convert to fraction form
    13,714.09/20,571.93 = 3,854.14/x
  3. Step 3: Cross multiply
    13,714.09x = 20,571.93 × 3,854.14
  4. Step 4: Simplify right side
    13,714.09x = 79,286,995.43
  5. Step 5: Solve for x
    x = 79,286,995.43/13,714.09
  6. Step 6: Final answer
    x = 5,781.43

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1.5x scale

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.