Home / 25,002.81-37,522.71-11,855.30

Finding the Fourth Proportional to 25,002.81, 37,522.71 and 11,855.30

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Solution

The fourth proportional to 25,002.81, 37,522.71 and 11,855.30 is: 17,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,002.81 : 37,522.71 = 11,855.30 : x
  2. Step 2: Convert to fraction form
    25,002.81/37,522.71 = 11,855.30/x
  3. Step 3: Cross multiply
    25,002.81x = 37,522.71 × 11,855.30
  4. Step 4: Simplify right side
    25,002.81x = 444,842,796.25
  5. Step 5: Solve for x
    x = 444,842,796.25/25,002.81
  6. Step 6: Final answer
    x = 17,791.71

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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.