Home / 18,527.25-25,567.61-10,143.75

Finding the Fourth Proportional to 18,527.25, 25,567.61 and 10,143.75

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Solution

The fourth proportional to 18,527.25, 25,567.61 and 10,143.75 is: 13,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.25 : 25,567.61 = 10,143.75 : x
  2. Step 2: Convert to fraction form
    18,527.25/25,567.61 = 10,143.75/x
  3. Step 3: Cross multiply
    18,527.25x = 25,567.61 × 10,143.75
  4. Step 4: Simplify right side
    18,527.25x = 259,351,443.94
  5. Step 5: Solve for x
    x = 259,351,443.94/18,527.25
  6. Step 6: Final answer
    x = 13,998.38

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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.