Home / 18,447.09-25,465.23-12,496.83

Finding the Fourth Proportional to 18,447.09, 25,465.23 and 12,496.83

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Solution

The fourth proportional to 18,447.09, 25,465.23 and 12,496.83 is: 17,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.09 : 25,465.23 = 12,496.83 : x
  2. Step 2: Convert to fraction form
    18,447.09/25,465.23 = 12,496.83/x
  3. Step 3: Cross multiply
    18,447.09x = 25,465.23 × 12,496.83
  4. Step 4: Simplify right side
    18,447.09x = 318,234,650.22
  5. Step 5: Solve for x
    x = 318,234,650.22/18,447.09
  6. Step 6: Final answer
    x = 17,251.21

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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.