Home / 18,605.42-25,675.38-10,107.48

Finding the Fourth Proportional to 18,605.42, 25,675.38 and 10,107.48

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Solution

The fourth proportional to 18,605.42, 25,675.38 and 10,107.48 is: 13,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.42 : 25,675.38 = 10,107.48 : x
  2. Step 2: Convert to fraction form
    18,605.42/25,675.38 = 10,107.48/x
  3. Step 3: Cross multiply
    18,605.42x = 25,675.38 × 10,107.48
  4. Step 4: Simplify right side
    18,605.42x = 259,513,293.56
  5. Step 5: Solve for x
    x = 259,513,293.56/18,605.42
  6. Step 6: Final answer
    x = 13,948.26

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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.