Home / 25,874.07-38,866.38-18,525.75

Finding the Fourth Proportional to 25,874.07, 38,866.38 and 18,525.75

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Solution

The fourth proportional to 25,874.07, 38,866.38 and 18,525.75 is: 27,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,874.07 : 38,866.38 = 18,525.75 : x
  2. Step 2: Convert to fraction form
    25,874.07/38,866.38 = 18,525.75/x
  3. Step 3: Cross multiply
    25,874.07x = 38,866.38 × 18,525.75
  4. Step 4: Simplify right side
    25,874.07x = 720,028,839.29
  5. Step 5: Solve for x
    x = 720,028,839.29/25,874.07
  6. Step 6: Final answer
    x = 27,828.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.