Home / 36,821.52-55,239.84-11,864.88

Finding the Fourth Proportional to 36,821.52, 55,239.84 and 11,864.88

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Solution

The fourth proportional to 36,821.52, 55,239.84 and 11,864.88 is: 17,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.52 : 55,239.84 = 11,864.88 : x
  2. Step 2: Convert to fraction form
    36,821.52/55,239.84 = 11,864.88/x
  3. Step 3: Cross multiply
    36,821.52x = 55,239.84 × 11,864.88
  4. Step 4: Simplify right side
    36,821.52x = 655,414,072.82
  5. Step 5: Solve for x
    x = 655,414,072.82/36,821.52
  6. Step 6: Final answer
    x = 17,799.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.