Home / 18,265.07-25,205.19-10,198.91

Finding the Fourth Proportional to 18,265.07, 25,205.19 and 10,198.91

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Solution

The fourth proportional to 18,265.07, 25,205.19 and 10,198.91 is: 14,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.07 : 25,205.19 = 10,198.91 : x
  2. Step 2: Convert to fraction form
    18,265.07/25,205.19 = 10,198.91/x
  3. Step 3: Cross multiply
    18,265.07x = 25,205.19 × 10,198.91
  4. Step 4: Simplify right side
    18,265.07x = 257,065,464.34
  5. Step 5: Solve for x
    x = 257,065,464.34/18,265.07
  6. Step 6: Final answer
    x = 14,074.16

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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.