Home / 33,191.13-49,786.70-9,815.75

Finding the Fourth Proportional to 33,191.13, 49,786.70 and 9,815.75

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Solution

The fourth proportional to 33,191.13, 49,786.70 and 9,815.75 is: 14,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,191.13 : 49,786.70 = 9,815.75 : x
  2. Step 2: Convert to fraction form
    33,191.13/49,786.70 = 9,815.75/x
  3. Step 3: Cross multiply
    33,191.13x = 49,786.70 × 9,815.75
  4. Step 4: Simplify right side
    33,191.13x = 488,693,502.51
  5. Step 5: Solve for x
    x = 488,693,502.51/33,191.13
  6. Step 6: Final answer
    x = 14,723.62

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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.