Home / 14,474.12-21,704.70-5,112.20

Finding the Fourth Proportional to 14,474.12, 21,704.70 and 5,112.20

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Solution

The fourth proportional to 14,474.12, 21,704.70 and 5,112.20 is: 7,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.12 : 21,704.70 = 5,112.20 : x
  2. Step 2: Convert to fraction form
    14,474.12/21,704.70 = 5,112.20/x
  3. Step 3: Cross multiply
    14,474.12x = 21,704.70 × 5,112.20
  4. Step 4: Simplify right side
    14,474.12x = 110,958,767.34
  5. Step 5: Solve for x
    x = 110,958,767.34/14,474.12
  6. Step 6: Final answer
    x = 7,666.01

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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.