Home / 26,556.32-36,613.69-21,758.59

Finding the Fourth Proportional to 26,556.32, 36,613.69 and 21,758.59

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Solution

The fourth proportional to 26,556.32, 36,613.69 and 21,758.59 is: 29,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.32 : 36,613.69 = 21,758.59 : x
  2. Step 2: Convert to fraction form
    26,556.32/36,613.69 = 21,758.59/x
  3. Step 3: Cross multiply
    26,556.32x = 36,613.69 × 21,758.59
  4. Step 4: Simplify right side
    26,556.32x = 796,662,260.47
  5. Step 5: Solve for x
    x = 796,662,260.47/26,556.32
  6. Step 6: Final answer
    x = 29,998.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.