Home / 17,780.88-24,537.14-9,821.82

Finding the Fourth Proportional to 17,780.88, 24,537.14 and 9,821.82

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Solution

The fourth proportional to 17,780.88, 24,537.14 and 9,821.82 is: 13,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.88 : 24,537.14 = 9,821.82 : x
  2. Step 2: Convert to fraction form
    17,780.88/24,537.14 = 9,821.82/x
  3. Step 3: Cross multiply
    17,780.88x = 24,537.14 × 9,821.82
  4. Step 4: Simplify right side
    17,780.88x = 240,999,372.39
  5. Step 5: Solve for x
    x = 240,999,372.39/17,780.88
  6. Step 6: Final answer
    x = 13,553.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.