Home / 22,609.66-31,198.44-12,538.03

Finding the Fourth Proportional to 22,609.66, 31,198.44 and 12,538.03

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Solution

The fourth proportional to 22,609.66, 31,198.44 and 12,538.03 is: 17,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.66 : 31,198.44 = 12,538.03 : x
  2. Step 2: Convert to fraction form
    22,609.66/31,198.44 = 12,538.03/x
  3. Step 3: Cross multiply
    22,609.66x = 31,198.44 × 12,538.03
  4. Step 4: Simplify right side
    22,609.66x = 391,166,976.67
  5. Step 5: Solve for x
    x = 391,166,976.67/22,609.66
  6. Step 6: Final answer
    x = 17,300.88

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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.