Home / 13,022.90-17,971.62-7,054.62

Finding the Fourth Proportional to 13,022.90, 17,971.62 and 7,054.62

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Solution

The fourth proportional to 13,022.90, 17,971.62 and 7,054.62 is: 9,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.90 : 17,971.62 = 7,054.62 : x
  2. Step 2: Convert to fraction form
    13,022.90/17,971.62 = 7,054.62/x
  3. Step 3: Cross multiply
    13,022.90x = 17,971.62 × 7,054.62
  4. Step 4: Simplify right side
    13,022.90x = 126,782,949.88
  5. Step 5: Solve for x
    x = 126,782,949.88/13,022.90
  6. Step 6: Final answer
    x = 9,735.39

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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.