Home / 22,286.21-30,749.96-12,723.03

Finding the Fourth Proportional to 22,286.21, 30,749.96 and 12,723.03

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Solution

The fourth proportional to 22,286.21, 30,749.96 and 12,723.03 is: 17,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.21 : 30,749.96 = 12,723.03 : x
  2. Step 2: Convert to fraction form
    22,286.21/30,749.96 = 12,723.03/x
  3. Step 3: Cross multiply
    22,286.21x = 30,749.96 × 12,723.03
  4. Step 4: Simplify right side
    22,286.21x = 391,232,599.96
  5. Step 5: Solve for x
    x = 391,232,599.96/22,286.21
  6. Step 6: Final answer
    x = 17,554.92

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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.