Home / 18,699.42-25,805.16-10,201.44

Finding the Fourth Proportional to 18,699.42, 25,805.16 and 10,201.44

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Solution

The fourth proportional to 18,699.42, 25,805.16 and 10,201.44 is: 14,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.42 : 25,805.16 = 10,201.44 : x
  2. Step 2: Convert to fraction form
    18,699.42/25,805.16 = 10,201.44/x
  3. Step 3: Cross multiply
    18,699.42x = 25,805.16 × 10,201.44
  4. Step 4: Simplify right side
    18,699.42x = 263,249,791.43
  5. Step 5: Solve for x
    x = 263,249,791.43/18,699.42
  6. Step 6: Final answer
    x = 14,077.97

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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.