Home / 26,156.33-39,212.45-11,354.12

Finding the Fourth Proportional to 26,156.33, 39,212.45 and 11,354.12

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Solution

The fourth proportional to 26,156.33, 39,212.45 and 11,354.12 is: 17,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,156.33 : 39,212.45 = 11,354.12 : x
  2. Step 2: Convert to fraction form
    26,156.33/39,212.45 = 11,354.12/x
  3. Step 3: Cross multiply
    26,156.33x = 39,212.45 × 11,354.12
  4. Step 4: Simplify right side
    26,156.33x = 445,222,862.79
  5. Step 5: Solve for x
    x = 445,222,862.79/26,156.33
  6. Step 6: Final answer
    x = 17,021.61

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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.