Home / 17,938.29-24,748.16-11,221.37

Finding the Fourth Proportional to 17,938.29, 24,748.16 and 11,221.37

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Solution

The fourth proportional to 17,938.29, 24,748.16 and 11,221.37 is: 15,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.29 : 24,748.16 = 11,221.37 : x
  2. Step 2: Convert to fraction form
    17,938.29/24,748.16 = 11,221.37/x
  3. Step 3: Cross multiply
    17,938.29x = 24,748.16 × 11,221.37
  4. Step 4: Simplify right side
    17,938.29x = 277,708,080.33
  5. Step 5: Solve for x
    x = 277,708,080.33/17,938.29
  6. Step 6: Final answer
    x = 15,481.30

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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.