Home / 17,579.52-26,421.12-11,770.56

Finding the Fourth Proportional to 17,579.52, 26,421.12 and 11,770.56

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Solution

The fourth proportional to 17,579.52, 26,421.12 and 11,770.56 is: 17,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579.52 : 26,421.12 = 11,770.56 : x
  2. Step 2: Convert to fraction form
    17,579.52/26,421.12 = 11,770.56/x
  3. Step 3: Cross multiply
    17,579.52x = 26,421.12 × 11,770.56
  4. Step 4: Simplify right side
    17,579.52x = 310,991,378.23
  5. Step 5: Solve for x
    x = 310,991,378.23/17,579.52
  6. Step 6: Final answer
    x = 17,690.55

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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.