Home / 14,115.44-21,173.88-5,351.06

Finding the Fourth Proportional to 14,115.44, 21,173.88 and 5,351.06

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Solution

The fourth proportional to 14,115.44, 21,173.88 and 5,351.06 is: 8,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.44 : 21,173.88 = 5,351.06 : x
  2. Step 2: Convert to fraction form
    14,115.44/21,173.88 = 5,351.06/x
  3. Step 3: Cross multiply
    14,115.44x = 21,173.88 × 5,351.06
  4. Step 4: Simplify right side
    14,115.44x = 113,302,702.31
  5. Step 5: Solve for x
    x = 113,302,702.31/14,115.44
  6. Step 6: Final answer
    x = 8,026.86

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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.