Home / 21,260.82-31,884.44-7,026.64

Finding the Fourth Proportional to 21,260.82, 31,884.44 and 7,026.64

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Solution

The fourth proportional to 21,260.82, 31,884.44 and 7,026.64 is: 10,537.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.82 : 31,884.44 = 7,026.64 : x
  2. Step 2: Convert to fraction form
    21,260.82/31,884.44 = 7,026.64/x
  3. Step 3: Cross multiply
    21,260.82x = 31,884.44 × 7,026.64
  4. Step 4: Simplify right side
    21,260.82x = 224,040,523.57
  5. Step 5: Solve for x
    x = 224,040,523.57/21,260.82
  6. Step 6: Final answer
    x = 10,537.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.