Home / 15,033.82-20,722.70-11,842.06

Finding the Fourth Proportional to 15,033.82, 20,722.70 and 11,842.06

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Solution

The fourth proportional to 15,033.82, 20,722.70 and 11,842.06 is: 16,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.82 : 20,722.70 = 11,842.06 : x
  2. Step 2: Convert to fraction form
    15,033.82/20,722.70 = 11,842.06/x
  3. Step 3: Cross multiply
    15,033.82x = 20,722.70 × 11,842.06
  4. Step 4: Simplify right side
    15,033.82x = 245,399,456.76
  5. Step 5: Solve for x
    x = 245,399,456.76/15,033.82
  6. Step 6: Final answer
    x = 16,323.16

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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.