Home / 27,724.42-38,246.37-18,160.18

Finding the Fourth Proportional to 27,724.42, 38,246.37 and 18,160.18

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Solution

The fourth proportional to 27,724.42, 38,246.37 and 18,160.18 is: 25,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.42 : 38,246.37 = 18,160.18 : x
  2. Step 2: Convert to fraction form
    27,724.42/38,246.37 = 18,160.18/x
  3. Step 3: Cross multiply
    27,724.42x = 38,246.37 × 18,160.18
  4. Step 4: Simplify right side
    27,724.42x = 694,560,799.83
  5. Step 5: Solve for x
    x = 694,560,799.83/27,724.42
  6. Step 6: Final answer
    x = 25,052.31

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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.