Home / 17,407.20-26,112.66-5,556.81

Finding the Fourth Proportional to 17,407.20, 26,112.66 and 5,556.81

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Solution

The fourth proportional to 17,407.20, 26,112.66 and 5,556.81 is: 8,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.20 : 26,112.66 = 5,556.81 : x
  2. Step 2: Convert to fraction form
    17,407.20/26,112.66 = 5,556.81/x
  3. Step 3: Cross multiply
    17,407.20x = 26,112.66 × 5,556.81
  4. Step 4: Simplify right side
    17,407.20x = 145,103,090.21
  5. Step 5: Solve for x
    x = 145,103,090.21/17,407.20
  6. Step 6: Final answer
    x = 8,335.81

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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.