Home / 17,682.23-24,251.97-15,689.33

Finding the Fourth Proportional to 17,682.23, 24,251.97 and 15,689.33

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Solution

The fourth proportional to 17,682.23, 24,251.97 and 15,689.33 is: 21,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.23 : 24,251.97 = 15,689.33 : x
  2. Step 2: Convert to fraction form
    17,682.23/24,251.97 = 15,689.33/x
  3. Step 3: Cross multiply
    17,682.23x = 24,251.97 × 15,689.33
  4. Step 4: Simplify right side
    17,682.23x = 380,496,960.77
  5. Step 5: Solve for x
    x = 380,496,960.77/17,682.23
  6. Step 6: Final answer
    x = 21,518.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.