Home / 14,242.56-21,361.33-3,851.88

Finding the Fourth Proportional to 14,242.56, 21,361.33 and 3,851.88

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Solution

The fourth proportional to 14,242.56, 21,361.33 and 3,851.88 is: 5,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.56 : 21,361.33 = 3,851.88 : x
  2. Step 2: Convert to fraction form
    14,242.56/21,361.33 = 3,851.88/x
  3. Step 3: Cross multiply
    14,242.56x = 21,361.33 × 3,851.88
  4. Step 4: Simplify right side
    14,242.56x = 82,281,279.80
  5. Step 5: Solve for x
    x = 82,281,279.80/14,242.56
  6. Step 6: Final answer
    x = 5,777.14

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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.