Home / 25,108.90-37,664.79-7,580.50

Finding the Fourth Proportional to 25,108.90, 37,664.79 and 7,580.50

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Solution

The fourth proportional to 25,108.90, 37,664.79 and 7,580.50 is: 11,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.90 : 37,664.79 = 7,580.50 : x
  2. Step 2: Convert to fraction form
    25,108.90/37,664.79 = 7,580.50/x
  3. Step 3: Cross multiply
    25,108.90x = 37,664.79 × 7,580.50
  4. Step 4: Simplify right side
    25,108.90x = 285,517,940.60
  5. Step 5: Solve for x
    x = 285,517,940.60/25,108.90
  6. Step 6: Final answer
    x = 11,371.18

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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.