Home / 17,220.35-23,757.97-11,255.46

Finding the Fourth Proportional to 17,220.35, 23,757.97 and 11,255.46

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Solution

The fourth proportional to 17,220.35, 23,757.97 and 11,255.46 is: 15,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.35 : 23,757.97 = 11,255.46 : x
  2. Step 2: Convert to fraction form
    17,220.35/23,757.97 = 11,255.46/x
  3. Step 3: Cross multiply
    17,220.35x = 23,757.97 × 11,255.46
  4. Step 4: Simplify right side
    17,220.35x = 267,406,881.02
  5. Step 5: Solve for x
    x = 267,406,881.02/17,220.35
  6. Step 6: Final answer
    x = 15,528.54

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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.