Home / 20,246.50-27,938.82-11,632.96

Finding the Fourth Proportional to 20,246.50, 27,938.82 and 11,632.96

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Solution

The fourth proportional to 20,246.50, 27,938.82 and 11,632.96 is: 16,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.50 : 27,938.82 = 11,632.96 : x
  2. Step 2: Convert to fraction form
    20,246.50/27,938.82 = 11,632.96/x
  3. Step 3: Cross multiply
    20,246.50x = 27,938.82 × 11,632.96
  4. Step 4: Simplify right side
    20,246.50x = 325,011,175.51
  5. Step 5: Solve for x
    x = 325,011,175.51/20,246.50
  6. Step 6: Final answer
    x = 16,052.71

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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.