Home / 13,993.22-19,310.46-7,705.46

Finding the Fourth Proportional to 13,993.22, 19,310.46 and 7,705.46

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Solution

The fourth proportional to 13,993.22, 19,310.46 and 7,705.46 is: 10,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.22 : 19,310.46 = 7,705.46 : x
  2. Step 2: Convert to fraction form
    13,993.22/19,310.46 = 7,705.46/x
  3. Step 3: Cross multiply
    13,993.22x = 19,310.46 × 7,705.46
  4. Step 4: Simplify right side
    13,993.22x = 148,795,977.11
  5. Step 5: Solve for x
    x = 148,795,977.11/13,993.22
  6. Step 6: Final answer
    x = 10,633.43

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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.