Home / 13,996.09-19,314.94-7,622.94

Finding the Fourth Proportional to 13,996.09, 19,314.94 and 7,622.94

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Solution

The fourth proportional to 13,996.09, 19,314.94 and 7,622.94 is: 10,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.09 : 19,314.94 = 7,622.94 : x
  2. Step 2: Convert to fraction form
    13,996.09/19,314.94 = 7,622.94/x
  3. Step 3: Cross multiply
    13,996.09x = 19,314.94 × 7,622.94
  4. Step 4: Simplify right side
    13,996.09x = 147,236,628.72
  5. Step 5: Solve for x
    x = 147,236,628.72/13,996.09
  6. Step 6: Final answer
    x = 10,519.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.