Home / 18,605.05-25,675.16-10,107.27

Finding the Fourth Proportional to 18,605.05, 25,675.16 and 10,107.27

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Solution

The fourth proportional to 18,605.05, 25,675.16 and 10,107.27 is: 13,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.05 : 25,675.16 = 10,107.27 : x
  2. Step 2: Convert to fraction form
    18,605.05/25,675.16 = 10,107.27/x
  3. Step 3: Cross multiply
    18,605.05x = 25,675.16 × 10,107.27
  4. Step 4: Simplify right side
    18,605.05x = 259,505,646.04
  5. Step 5: Solve for x
    x = 259,505,646.04/18,605.05
  6. Step 6: Final answer
    x = 13,948.13

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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.