Home / 19,998.12-27,588.69-12,035.82

Finding the Fourth Proportional to 19,998.12, 27,588.69 and 12,035.82

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Solution

The fourth proportional to 19,998.12, 27,588.69 and 12,035.82 is: 16,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.12 : 27,588.69 = 12,035.82 : x
  2. Step 2: Convert to fraction form
    19,998.12/27,588.69 = 12,035.82/x
  3. Step 3: Cross multiply
    19,998.12x = 27,588.69 × 12,035.82
  4. Step 4: Simplify right side
    19,998.12x = 332,052,506.88
  5. Step 5: Solve for x
    x = 332,052,506.88/19,998.12
  6. Step 6: Final answer
    x = 16,604.19

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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.