Home / 14,119.26-21,178.53-3,731.10

Finding the Fourth Proportional to 14,119.26, 21,178.53 and 3,731.10

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Solution

The fourth proportional to 14,119.26, 21,178.53 and 3,731.10 is: 5,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.26 : 21,178.53 = 3,731.10 : x
  2. Step 2: Convert to fraction form
    14,119.26/21,178.53 = 3,731.10/x
  3. Step 3: Cross multiply
    14,119.26x = 21,178.53 × 3,731.10
  4. Step 4: Simplify right side
    14,119.26x = 79,019,213.28
  5. Step 5: Solve for x
    x = 79,019,213.28/14,119.26
  6. Step 6: Final answer
    x = 5,596.55

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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.