Home / 20,733.84-31,083.48-9,634.68

Finding the Fourth Proportional to 20,733.84, 31,083.48 and 9,634.68

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Solution

The fourth proportional to 20,733.84, 31,083.48 and 9,634.68 is: 14,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.84 : 31,083.48 = 9,634.68 : x
  2. Step 2: Convert to fraction form
    20,733.84/31,083.48 = 9,634.68/x
  3. Step 3: Cross multiply
    20,733.84x = 31,083.48 × 9,634.68
  4. Step 4: Simplify right side
    20,733.84x = 299,479,383.09
  5. Step 5: Solve for x
    x = 299,479,383.09/20,733.84
  6. Step 6: Final answer
    x = 14,443.99

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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.