Home / 17,553.20-24,212.01-11,820.51

Finding the Fourth Proportional to 17,553.20, 24,212.01 and 11,820.51

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Solution

The fourth proportional to 17,553.20, 24,212.01 and 11,820.51 is: 16,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.20 : 24,212.01 = 11,820.51 : x
  2. Step 2: Convert to fraction form
    17,553.20/24,212.01 = 11,820.51/x
  3. Step 3: Cross multiply
    17,553.20x = 24,212.01 × 11,820.51
  4. Step 4: Simplify right side
    17,553.20x = 286,198,306.33
  5. Step 5: Solve for x
    x = 286,198,306.33/17,553.20
  6. Step 6: Final answer
    x = 16,304.63

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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.