Home / 20,018.11-27,606.62-12,046.49

Finding the Fourth Proportional to 20,018.11, 27,606.62 and 12,046.49

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Solution

The fourth proportional to 20,018.11, 27,606.62 and 12,046.49 is: 16,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.11 : 27,606.62 = 12,046.49 : x
  2. Step 2: Convert to fraction form
    20,018.11/27,606.62 = 12,046.49/x
  3. Step 3: Cross multiply
    20,018.11x = 27,606.62 × 12,046.49
  4. Step 4: Simplify right side
    20,018.11x = 332,562,871.76
  5. Step 5: Solve for x
    x = 332,562,871.76/20,018.11
  6. Step 6: Final answer
    x = 16,613.10

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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.