Home / 17,420.92-26,131.38-4,273.18

Finding the Fourth Proportional to 17,420.92, 26,131.38 and 4,273.18

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Solution

The fourth proportional to 17,420.92, 26,131.38 and 4,273.18 is: 6,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.92 : 26,131.38 = 4,273.18 : x
  2. Step 2: Convert to fraction form
    17,420.92/26,131.38 = 4,273.18/x
  3. Step 3: Cross multiply
    17,420.92x = 26,131.38 × 4,273.18
  4. Step 4: Simplify right side
    17,420.92x = 111,664,090.39
  5. Step 5: Solve for x
    x = 111,664,090.39/17,420.92
  6. Step 6: Final answer
    x = 6,409.77

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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.