Home / 26,180.82-36,129.24-15,570.63

Finding the Fourth Proportional to 26,180.82, 36,129.24 and 15,570.63

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Solution

The fourth proportional to 26,180.82, 36,129.24 and 15,570.63 is: 21,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.82 : 36,129.24 = 15,570.63 : x
  2. Step 2: Convert to fraction form
    26,180.82/36,129.24 = 15,570.63/x
  3. Step 3: Cross multiply
    26,180.82x = 36,129.24 × 15,570.63
  4. Step 4: Simplify right side
    26,180.82x = 562,555,028.22
  5. Step 5: Solve for x
    x = 562,555,028.22/26,180.82
  6. Step 6: Final answer
    x = 21,487.30

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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.