Home / 18,559.22-25,611.68-10,175.78

Finding the Fourth Proportional to 18,559.22, 25,611.68 and 10,175.78

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Solution

The fourth proportional to 18,559.22, 25,611.68 and 10,175.78 is: 14,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.22 : 25,611.68 = 10,175.78 : x
  2. Step 2: Convert to fraction form
    18,559.22/25,611.68 = 10,175.78/x
  3. Step 3: Cross multiply
    18,559.22x = 25,611.68 × 10,175.78
  4. Step 4: Simplify right side
    18,559.22x = 260,618,821.11
  5. Step 5: Solve for x
    x = 260,618,821.11/18,559.22
  6. Step 6: Final answer
    x = 14,042.55

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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.