Home / 18,584.10-25,645.86-10,086.21

Finding the Fourth Proportional to 18,584.10, 25,645.86 and 10,086.21

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Solution

The fourth proportional to 18,584.10, 25,645.86 and 10,086.21 is: 13,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584.10 : 25,645.86 = 10,086.21 : x
  2. Step 2: Convert to fraction form
    18,584.10/25,645.86 = 10,086.21/x
  3. Step 3: Cross multiply
    18,584.10x = 25,645.86 × 10,086.21
  4. Step 4: Simplify right side
    18,584.10x = 258,669,529.59
  5. Step 5: Solve for x
    x = 258,669,529.59/18,584.10
  6. Step 6: Final answer
    x = 13,918.86

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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.