Home / 19,767.65-27,272.77-11,263.79

Finding the Fourth Proportional to 19,767.65, 27,272.77 and 11,263.79

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Solution

The fourth proportional to 19,767.65, 27,272.77 and 11,263.79 is: 15,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.65 : 27,272.77 = 11,263.79 : x
  2. Step 2: Convert to fraction form
    19,767.65/27,272.77 = 11,263.79/x
  3. Step 3: Cross multiply
    19,767.65x = 27,272.77 × 11,263.79
  4. Step 4: Simplify right side
    19,767.65x = 307,194,794.02
  5. Step 5: Solve for x
    x = 307,194,794.02/19,767.65
  6. Step 6: Final answer
    x = 15,540.28

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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.