Home / 17,865.30-26,799.21-4,717.50

Finding the Fourth Proportional to 17,865.30, 26,799.21 and 4,717.50

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Solution

The fourth proportional to 17,865.30, 26,799.21 and 4,717.50 is: 7,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.30 : 26,799.21 = 4,717.50 : x
  2. Step 2: Convert to fraction form
    17,865.30/26,799.21 = 4,717.50/x
  3. Step 3: Cross multiply
    17,865.30x = 26,799.21 × 4,717.50
  4. Step 4: Simplify right side
    17,865.30x = 126,425,273.18
  5. Step 5: Solve for x
    x = 126,425,273.18/17,865.30
  6. Step 6: Final answer
    x = 7,076.58

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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.