Home / 17,172.85-23,698.77-11,201.09

Finding the Fourth Proportional to 17,172.85, 23,698.77 and 11,201.09

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Solution

The fourth proportional to 17,172.85, 23,698.77 and 11,201.09 is: 15,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.85 : 23,698.77 = 11,201.09 : x
  2. Step 2: Convert to fraction form
    17,172.85/23,698.77 = 11,201.09/x
  3. Step 3: Cross multiply
    17,172.85x = 23,698.77 × 11,201.09
  4. Step 4: Simplify right side
    17,172.85x = 265,451,881.16
  5. Step 5: Solve for x
    x = 265,451,881.16/17,172.85
  6. Step 6: Final answer
    x = 15,457.65

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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.