Home / 18,005.43-24,843.51-10,447.38

Finding the Fourth Proportional to 18,005.43, 24,843.51 and 10,447.38

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Solution

The fourth proportional to 18,005.43, 24,843.51 and 10,447.38 is: 14,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.43 : 24,843.51 = 10,447.38 : x
  2. Step 2: Convert to fraction form
    18,005.43/24,843.51 = 10,447.38/x
  3. Step 3: Cross multiply
    18,005.43x = 24,843.51 × 10,447.38
  4. Step 4: Simplify right side
    18,005.43x = 259,549,589.50
  5. Step 5: Solve for x
    x = 259,549,589.50/18,005.43
  6. Step 6: Final answer
    x = 14,415.07

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Half scale
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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.