Home / 21,523.20-29,705.56-17,932.48

Finding the Fourth Proportional to 21,523.20, 29,705.56 and 17,932.48

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Solution

The fourth proportional to 21,523.20, 29,705.56 and 17,932.48 is: 24,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.20 : 29,705.56 = 17,932.48 : x
  2. Step 2: Convert to fraction form
    21,523.20/29,705.56 = 17,932.48/x
  3. Step 3: Cross multiply
    21,523.20x = 29,705.56 × 17,932.48
  4. Step 4: Simplify right side
    21,523.20x = 532,694,360.59
  5. Step 5: Solve for x
    x = 532,694,360.59/21,523.20
  6. Step 6: Final answer
    x = 24,749.78

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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.