Home / 18,266.58-25,207.38-10,309.55

Finding the Fourth Proportional to 18,266.58, 25,207.38 and 10,309.55

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Solution

The fourth proportional to 18,266.58, 25,207.38 and 10,309.55 is: 14,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.58 : 25,207.38 = 10,309.55 : x
  2. Step 2: Convert to fraction form
    18,266.58/25,207.38 = 10,309.55/x
  3. Step 3: Cross multiply
    18,266.58x = 25,207.38 × 10,309.55
  4. Step 4: Simplify right side
    18,266.58x = 259,876,618.44
  5. Step 5: Solve for x
    x = 259,876,618.44/18,266.58
  6. Step 6: Final answer
    x = 14,226.89

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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.