Home / 25,107.79-37,659.85-11,783.82

Finding the Fourth Proportional to 25,107.79, 37,659.85 and 11,783.82

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Solution

The fourth proportional to 25,107.79, 37,659.85 and 11,783.82 is: 17,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.79 : 37,659.85 = 11,783.82 : x
  2. Step 2: Convert to fraction form
    25,107.79/37,659.85 = 11,783.82/x
  3. Step 3: Cross multiply
    25,107.79x = 37,659.85 × 11,783.82
  4. Step 4: Simplify right side
    25,107.79x = 443,776,893.63
  5. Step 5: Solve for x
    x = 443,776,893.63/25,107.79
  6. Step 6: Final answer
    x = 17,674.87

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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.