Home / 17,853.40-26,780.38-6,765.28

Finding the Fourth Proportional to 17,853.40, 26,780.38 and 6,765.28

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Solution

The fourth proportional to 17,853.40, 26,780.38 and 6,765.28 is: 10,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.40 : 26,780.38 = 6,765.28 : x
  2. Step 2: Convert to fraction form
    17,853.40/26,780.38 = 6,765.28/x
  3. Step 3: Cross multiply
    17,853.40x = 26,780.38 × 6,765.28
  4. Step 4: Simplify right side
    17,853.40x = 181,176,769.21
  5. Step 5: Solve for x
    x = 181,176,769.21/17,853.40
  6. Step 6: Final answer
    x = 10,148.03

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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.