Home / 13,091.96-19,637.97-10,780.73

Finding the Fourth Proportional to 13,091.96, 19,637.97 and 10,780.73

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Solution

The fourth proportional to 13,091.96, 19,637.97 and 10,780.73 is: 16,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.96 : 19,637.97 = 10,780.73 : x
  2. Step 2: Convert to fraction form
    13,091.96/19,637.97 = 10,780.73/x
  3. Step 3: Cross multiply
    13,091.96x = 19,637.97 × 10,780.73
  4. Step 4: Simplify right side
    13,091.96x = 211,711,554.13
  5. Step 5: Solve for x
    x = 211,711,554.13/13,091.96
  6. Step 6: Final answer
    x = 16,171.12

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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.