Home / 14,272.97-21,409.59-6,375.89

Finding the Fourth Proportional to 14,272.97, 21,409.59 and 6,375.89

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Solution

The fourth proportional to 14,272.97, 21,409.59 and 6,375.89 is: 9,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.97 : 21,409.59 = 6,375.89 : x
  2. Step 2: Convert to fraction form
    14,272.97/21,409.59 = 6,375.89/x
  3. Step 3: Cross multiply
    14,272.97x = 21,409.59 × 6,375.89
  4. Step 4: Simplify right side
    14,272.97x = 136,505,083.74
  5. Step 5: Solve for x
    x = 136,505,083.74/14,272.97
  6. Step 6: Final answer
    x = 9,563.89

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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.