Home / 20,260.44-27,956.90-11,308.44

Finding the Fourth Proportional to 20,260.44, 27,956.90 and 11,308.44

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Solution

The fourth proportional to 20,260.44, 27,956.90 and 11,308.44 is: 15,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.44 : 27,956.90 = 11,308.44 : x
  2. Step 2: Convert to fraction form
    20,260.44/27,956.90 = 11,308.44/x
  3. Step 3: Cross multiply
    20,260.44x = 27,956.90 × 11,308.44
  4. Step 4: Simplify right side
    20,260.44x = 316,148,926.24
  5. Step 5: Solve for x
    x = 316,148,926.24/20,260.44
  6. Step 6: Final answer
    x = 15,604.25

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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.