Home / 36,654.24-54,986.76-13,275.21

Finding the Fourth Proportional to 36,654.24, 54,986.76 and 13,275.21

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Solution

The fourth proportional to 36,654.24, 54,986.76 and 13,275.21 is: 19,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,654.24 : 54,986.76 = 13,275.21 : x
  2. Step 2: Convert to fraction form
    36,654.24/54,986.76 = 13,275.21/x
  3. Step 3: Cross multiply
    36,654.24x = 54,986.76 × 13,275.21
  4. Step 4: Simplify right side
    36,654.24x = 729,960,786.22
  5. Step 5: Solve for x
    x = 729,960,786.22/36,654.24
  6. Step 6: Final answer
    x = 19,914.77

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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.