Home / 25,259.10-37,880.45-11,930.04

Finding the Fourth Proportional to 25,259.10, 37,880.45 and 11,930.04

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Solution

The fourth proportional to 25,259.10, 37,880.45 and 11,930.04 is: 17,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,259.10 : 37,880.45 = 11,930.04 : x
  2. Step 2: Convert to fraction form
    25,259.10/37,880.45 = 11,930.04/x
  3. Step 3: Cross multiply
    25,259.10x = 37,880.45 × 11,930.04
  4. Step 4: Simplify right side
    25,259.10x = 451,915,283.72
  5. Step 5: Solve for x
    x = 451,915,283.72/25,259.10
  6. Step 6: Final answer
    x = 17,891.19

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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.