Home / 17,770.88-26,655.36-5,291.04

Finding the Fourth Proportional to 17,770.88, 26,655.36 and 5,291.04

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Solution

The fourth proportional to 17,770.88, 26,655.36 and 5,291.04 is: 7,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.88 : 26,655.36 = 5,291.04 : x
  2. Step 2: Convert to fraction form
    17,770.88/26,655.36 = 5,291.04/x
  3. Step 3: Cross multiply
    17,770.88x = 26,655.36 × 5,291.04
  4. Step 4: Simplify right side
    17,770.88x = 141,034,575.97
  5. Step 5: Solve for x
    x = 141,034,575.97/17,770.88
  6. Step 6: Final answer
    x = 7,936.27

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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.