Home / 25,865.68-38,821.56-12,022.48

Finding the Fourth Proportional to 25,865.68, 38,821.56 and 12,022.48

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Solution

The fourth proportional to 25,865.68, 38,821.56 and 12,022.48 is: 18,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,865.68 : 38,821.56 = 12,022.48 : x
  2. Step 2: Convert to fraction form
    25,865.68/38,821.56 = 12,022.48/x
  3. Step 3: Cross multiply
    25,865.68x = 38,821.56 × 12,022.48
  4. Step 4: Simplify right side
    25,865.68x = 466,731,428.67
  5. Step 5: Solve for x
    x = 466,731,428.67/25,865.68
  6. Step 6: Final answer
    x = 18,044.43

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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.