Home / 25,147.79-37,664.25-12,009.38

Finding the Fourth Proportional to 25,147.79, 37,664.25 and 12,009.38

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Solution

The fourth proportional to 25,147.79, 37,664.25 and 12,009.38 is: 17,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.79 : 37,664.25 = 12,009.38 : x
  2. Step 2: Convert to fraction form
    25,147.79/37,664.25 = 12,009.38/x
  3. Step 3: Cross multiply
    25,147.79x = 37,664.25 × 12,009.38
  4. Step 4: Simplify right side
    25,147.79x = 452,324,102.34
  5. Step 5: Solve for x
    x = 452,324,102.34/25,147.79
  6. Step 6: Final answer
    x = 17,986.64

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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.