Home / 19,703.15-29,538.09-9,167.73

Finding the Fourth Proportional to 19,703.15, 29,538.09 and 9,167.73

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Solution

The fourth proportional to 19,703.15, 29,538.09 and 9,167.73 is: 13,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.15 : 29,538.09 = 9,167.73 : x
  2. Step 2: Convert to fraction form
    19,703.15/29,538.09 = 9,167.73/x
  3. Step 3: Cross multiply
    19,703.15x = 29,538.09 × 9,167.73
  4. Step 4: Simplify right side
    19,703.15x = 270,797,233.84
  5. Step 5: Solve for x
    x = 270,797,233.84/19,703.15
  6. Step 6: Final answer
    x = 13,743.85

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1.5x scale

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.