Home / 20,053.56-27,674.57-11,555.03

Finding the Fourth Proportional to 20,053.56, 27,674.57 and 11,555.03

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Solution

The fourth proportional to 20,053.56, 27,674.57 and 11,555.03 is: 15,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.56 : 27,674.57 = 11,555.03 : x
  2. Step 2: Convert to fraction form
    20,053.56/27,674.57 = 11,555.03/x
  3. Step 3: Cross multiply
    20,053.56x = 27,674.57 × 11,555.03
  4. Step 4: Simplify right side
    20,053.56x = 319,780,290.44
  5. Step 5: Solve for x
    x = 319,780,290.44/20,053.56
  6. Step 6: Final answer
    x = 15,946.31

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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.