Home / 14,453.86-21,680.46-6,662.66

Finding the Fourth Proportional to 14,453.86, 21,680.46 and 6,662.66

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Solution

The fourth proportional to 14,453.86, 21,680.46 and 6,662.66 is: 9,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.86 : 21,680.46 = 6,662.66 : x
  2. Step 2: Convert to fraction form
    14,453.86/21,680.46 = 6,662.66/x
  3. Step 3: Cross multiply
    14,453.86x = 21,680.46 × 6,662.66
  4. Step 4: Simplify right side
    14,453.86x = 144,449,533.62
  5. Step 5: Solve for x
    x = 144,449,533.62/14,453.86
  6. Step 6: Final answer
    x = 9,993.84

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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.