Home / 17,827.83-26,729.28-7,827.75

Finding the Fourth Proportional to 17,827.83, 26,729.28 and 7,827.75

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Solution

The fourth proportional to 17,827.83, 26,729.28 and 7,827.75 is: 11,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,827.83 : 26,729.28 = 7,827.75 : x
  2. Step 2: Convert to fraction form
    17,827.83/26,729.28 = 7,827.75/x
  3. Step 3: Cross multiply
    17,827.83x = 26,729.28 × 7,827.75
  4. Step 4: Simplify right side
    17,827.83x = 209,230,121.52
  5. Step 5: Solve for x
    x = 209,230,121.52/17,827.83
  6. Step 6: Final answer
    x = 11,736.15

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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.