Home / 55,633.88-83,450.82-13,513.70

Finding the Fourth Proportional to 55,633.88, 83,450.82 and 13,513.70

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Solution

The fourth proportional to 55,633.88, 83,450.82 and 13,513.70 is: 20,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.88 : 83,450.82 = 13,513.70 : x
  2. Step 2: Convert to fraction form
    55,633.88/83,450.82 = 13,513.70/x
  3. Step 3: Cross multiply
    55,633.88x = 83,450.82 × 13,513.70
  4. Step 4: Simplify right side
    55,633.88x = 1,127,729,346.23
  5. Step 5: Solve for x
    x = 1,127,729,346.23/55,633.88
  6. Step 6: Final answer
    x = 20,270.55

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Similar ratio
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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.