Home / 14,517.36-21,768.76-7,110.64

Finding the Fourth Proportional to 14,517.36, 21,768.76 and 7,110.64

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Solution

The fourth proportional to 14,517.36, 21,768.76 and 7,110.64 is: 10,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.36 : 21,768.76 = 7,110.64 : x
  2. Step 2: Convert to fraction form
    14,517.36/21,768.76 = 7,110.64/x
  3. Step 3: Cross multiply
    14,517.36x = 21,768.76 × 7,110.64
  4. Step 4: Simplify right side
    14,517.36x = 154,789,815.61
  5. Step 5: Solve for x
    x = 154,789,815.61/14,517.36
  6. Step 6: Final answer
    x = 10,662.39

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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.