Home / 17,199.12-23,739.83-11,231.72

Finding the Fourth Proportional to 17,199.12, 23,739.83 and 11,231.72

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Solution

The fourth proportional to 17,199.12, 23,739.83 and 11,231.72 is: 15,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.12 : 23,739.83 = 11,231.72 : x
  2. Step 2: Convert to fraction form
    17,199.12/23,739.83 = 11,231.72/x
  3. Step 3: Cross multiply
    17,199.12x = 23,739.83 × 11,231.72
  4. Step 4: Simplify right side
    17,199.12x = 266,638,948.55
  5. Step 5: Solve for x
    x = 266,638,948.55/17,199.12
  6. Step 6: Final answer
    x = 15,503.06

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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.