Home / 26,175.78-36,120.87-15,566.22

Finding the Fourth Proportional to 26,175.78, 36,120.87 and 15,566.22

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Solution

The fourth proportional to 26,175.78, 36,120.87 and 15,566.22 is: 21,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.78 : 36,120.87 = 15,566.22 : x
  2. Step 2: Convert to fraction form
    26,175.78/36,120.87 = 15,566.22/x
  3. Step 3: Cross multiply
    26,175.78x = 36,120.87 × 15,566.22
  4. Step 4: Simplify right side
    26,175.78x = 562,265,409.01
  5. Step 5: Solve for x
    x = 562,265,409.01/26,175.78
  6. Step 6: Final answer
    x = 21,480.37

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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.