Home / 26,536.56-39,767.64-20,965.52

Finding the Fourth Proportional to 26,536.56, 39,767.64 and 20,965.52

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Solution

The fourth proportional to 26,536.56, 39,767.64 and 20,965.52 is: 31,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,536.56 : 39,767.64 = 20,965.52 : x
  2. Step 2: Convert to fraction form
    26,536.56/39,767.64 = 20,965.52/x
  3. Step 3: Cross multiply
    26,536.56x = 39,767.64 × 20,965.52
  4. Step 4: Simplify right side
    26,536.56x = 833,749,251.77
  5. Step 5: Solve for x
    x = 833,749,251.77/26,536.56
  6. Step 6: Final answer
    x = 31,418.89

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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.