Home / 14,662.64-21,994.20-8,087.60

Finding the Fourth Proportional to 14,662.64, 21,994.20 and 8,087.60

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Solution

The fourth proportional to 14,662.64, 21,994.20 and 8,087.60 is: 12,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.64 : 21,994.20 = 8,087.60 : x
  2. Step 2: Convert to fraction form
    14,662.64/21,994.20 = 8,087.60/x
  3. Step 3: Cross multiply
    14,662.64x = 21,994.20 × 8,087.60
  4. Step 4: Simplify right side
    14,662.64x = 177,880,291.92
  5. Step 5: Solve for x
    x = 177,880,291.92/14,662.64
  6. Step 6: Final answer
    x = 12,131.53

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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.