Home / 13,017.54-17,954.48-8,481.22

Finding the Fourth Proportional to 13,017.54, 17,954.48 and 8,481.22

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Solution

The fourth proportional to 13,017.54, 17,954.48 and 8,481.22 is: 11,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.54 : 17,954.48 = 8,481.22 : x
  2. Step 2: Convert to fraction form
    13,017.54/17,954.48 = 8,481.22/x
  3. Step 3: Cross multiply
    13,017.54x = 17,954.48 × 8,481.22
  4. Step 4: Simplify right side
    13,017.54x = 152,275,894.87
  5. Step 5: Solve for x
    x = 152,275,894.87/13,017.54
  6. Step 6: Final answer
    x = 11,697.75

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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.