Home / 14,268.43-21,404.07-4,907.20

Finding the Fourth Proportional to 14,268.43, 21,404.07 and 4,907.20

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Solution

The fourth proportional to 14,268.43, 21,404.07 and 4,907.20 is: 7,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.43 : 21,404.07 = 4,907.20 : x
  2. Step 2: Convert to fraction form
    14,268.43/21,404.07 = 4,907.20/x
  3. Step 3: Cross multiply
    14,268.43x = 21,404.07 × 4,907.20
  4. Step 4: Simplify right side
    14,268.43x = 105,034,052.30
  5. Step 5: Solve for x
    x = 105,034,052.30/14,268.43
  6. Step 6: Final answer
    x = 7,361.29

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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.