Home / 26,636.72-39,926.66-20,042.51

Finding the Fourth Proportional to 26,636.72, 39,926.66 and 20,042.51

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Solution

The fourth proportional to 26,636.72, 39,926.66 and 20,042.51 is: 30,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.72 : 39,926.66 = 20,042.51 : x
  2. Step 2: Convert to fraction form
    26,636.72/39,926.66 = 20,042.51/x
  3. Step 3: Cross multiply
    26,636.72x = 39,926.66 × 20,042.51
  4. Step 4: Simplify right side
    26,636.72x = 800,230,182.47
  5. Step 5: Solve for x
    x = 800,230,182.47/26,636.72
  6. Step 6: Final answer
    x = 30,042.38

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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.