Home / 20,732.35-31,052.94-17,133.68

Finding the Fourth Proportional to 20,732.35, 31,052.94 and 17,133.68

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Solution

The fourth proportional to 20,732.35, 31,052.94 and 17,133.68 is: 25,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732.35 : 31,052.94 = 17,133.68 : x
  2. Step 2: Convert to fraction form
    20,732.35/31,052.94 = 17,133.68/x
  3. Step 3: Cross multiply
    20,732.35x = 31,052.94 × 17,133.68
  4. Step 4: Simplify right side
    20,732.35x = 532,051,107.58
  5. Step 5: Solve for x
    x = 532,051,107.58/20,732.35
  6. Step 6: Final answer
    x = 25,662.85

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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.