Home / 27,625.44-38,154.78-18,235.92

Finding the Fourth Proportional to 27,625.44, 38,154.78 and 18,235.92

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Solution

The fourth proportional to 27,625.44, 38,154.78 and 18,235.92 is: 25,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,625.44 : 38,154.78 = 18,235.92 : x
  2. Step 2: Convert to fraction form
    27,625.44/38,154.78 = 18,235.92/x
  3. Step 3: Cross multiply
    27,625.44x = 38,154.78 × 18,235.92
  4. Step 4: Simplify right side
    27,625.44x = 695,787,515.70
  5. Step 5: Solve for x
    x = 695,787,515.70/27,625.44
  6. Step 6: Final answer
    x = 25,186.48

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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.