Home / 18,515.46-25,524.77-13,201.05

Finding the Fourth Proportional to 18,515.46, 25,524.77 and 13,201.05

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Solution

The fourth proportional to 18,515.46, 25,524.77 and 13,201.05 is: 18,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.46 : 25,524.77 = 13,201.05 : x
  2. Step 2: Convert to fraction form
    18,515.46/25,524.77 = 13,201.05/x
  3. Step 3: Cross multiply
    18,515.46x = 25,524.77 × 13,201.05
  4. Step 4: Simplify right side
    18,515.46x = 336,953,699.00
  5. Step 5: Solve for x
    x = 336,953,699.00/18,515.46
  6. Step 6: Final answer
    x = 18,198.51

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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.