Home / 26,720.91-40,090.58-11,940.03

Finding the Fourth Proportional to 26,720.91, 40,090.58 and 11,940.03

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Solution

The fourth proportional to 26,720.91, 40,090.58 and 11,940.03 is: 17,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.91 : 40,090.58 = 11,940.03 : x
  2. Step 2: Convert to fraction form
    26,720.91/40,090.58 = 11,940.03/x
  3. Step 3: Cross multiply
    26,720.91x = 40,090.58 × 11,940.03
  4. Step 4: Simplify right side
    26,720.91x = 478,682,668.22
  5. Step 5: Solve for x
    x = 478,682,668.22/26,720.91
  6. Step 6: Final answer
    x = 17,914.16

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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.