Home / 18,254.25-27,381.38-4,403.25

Finding the Fourth Proportional to 18,254.25, 27,381.38 and 4,403.25

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Solution

The fourth proportional to 18,254.25, 27,381.38 and 4,403.25 is: 6,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.25 : 27,381.38 = 4,403.25 : x
  2. Step 2: Convert to fraction form
    18,254.25/27,381.38 = 4,403.25/x
  3. Step 3: Cross multiply
    18,254.25x = 27,381.38 × 4,403.25
  4. Step 4: Simplify right side
    18,254.25x = 120,567,039.47
  5. Step 5: Solve for x
    x = 120,567,039.47/18,254.25
  6. Step 6: Final answer
    x = 6,604.88

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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.