Home / 18,480.47-25,496.62-10,520.64

Finding the Fourth Proportional to 18,480.47, 25,496.62 and 10,520.64

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Solution

The fourth proportional to 18,480.47, 25,496.62 and 10,520.64 is: 14,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.47 : 25,496.62 = 10,520.64 : x
  2. Step 2: Convert to fraction form
    18,480.47/25,496.62 = 10,520.64/x
  3. Step 3: Cross multiply
    18,480.47x = 25,496.62 × 10,520.64
  4. Step 4: Simplify right side
    18,480.47x = 268,240,733.94
  5. Step 5: Solve for x
    x = 268,240,733.94/18,480.47
  6. Step 6: Final answer
    x = 14,514.83

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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.