Home / 20,003.79-27,601.38-12,046.53

Finding the Fourth Proportional to 20,003.79, 27,601.38 and 12,046.53

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Solution

The fourth proportional to 20,003.79, 27,601.38 and 12,046.53 is: 16,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.79 : 27,601.38 = 12,046.53 : x
  2. Step 2: Convert to fraction form
    20,003.79/27,601.38 = 12,046.53/x
  3. Step 3: Cross multiply
    20,003.79x = 27,601.38 × 12,046.53
  4. Step 4: Simplify right side
    20,003.79x = 332,500,852.21
  5. Step 5: Solve for x
    x = 332,500,852.21/20,003.79
  6. Step 6: Final answer
    x = 16,621.89

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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.