Home / 26,650.96-39,984.44-7,931.66

Finding the Fourth Proportional to 26,650.96, 39,984.44 and 7,931.66

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Solution

The fourth proportional to 26,650.96, 39,984.44 and 7,931.66 is: 11,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.96 : 39,984.44 = 7,931.66 : x
  2. Step 2: Convert to fraction form
    26,650.96/39,984.44 = 7,931.66/x
  3. Step 3: Cross multiply
    26,650.96x = 39,984.44 × 7,931.66
  4. Step 4: Simplify right side
    26,650.96x = 317,142,743.79
  5. Step 5: Solve for x
    x = 317,142,743.79/26,650.96
  6. Step 6: Final answer
    x = 11,899.86

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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.