Home / 14,049.30-21,073.74-4,188.64

Finding the Fourth Proportional to 14,049.30, 21,073.74 and 4,188.64

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Solution

The fourth proportional to 14,049.30, 21,073.74 and 4,188.64 is: 6,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.30 : 21,073.74 = 4,188.64 : x
  2. Step 2: Convert to fraction form
    14,049.30/21,073.74 = 4,188.64/x
  3. Step 3: Cross multiply
    14,049.30x = 21,073.74 × 4,188.64
  4. Step 4: Simplify right side
    14,049.30x = 88,270,310.31
  5. Step 5: Solve for x
    x = 88,270,310.31/14,049.30
  6. Step 6: Final answer
    x = 6,282.90

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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.