Home / 25,283.20-37,933.12-11,961.92

Finding the Fourth Proportional to 25,283.20, 37,933.12 and 11,961.92

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Solution

The fourth proportional to 25,283.20, 37,933.12 and 11,961.92 is: 17,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.20 : 37,933.12 = 11,961.92 : x
  2. Step 2: Convert to fraction form
    25,283.20/37,933.12 = 11,961.92/x
  3. Step 3: Cross multiply
    25,283.20x = 37,933.12 × 11,961.92
  4. Step 4: Simplify right side
    25,283.20x = 453,752,946.79
  5. Step 5: Solve for x
    x = 453,752,946.79/25,283.20
  6. Step 6: Final answer
    x = 17,946.82

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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.