Home / 25,463.22-38,220.78-18,076.02

Finding the Fourth Proportional to 25,463.22, 38,220.78 and 18,076.02

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Solution

The fourth proportional to 25,463.22, 38,220.78 and 18,076.02 is: 27,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,463.22 : 38,220.78 = 18,076.02 : x
  2. Step 2: Convert to fraction form
    25,463.22/38,220.78 = 18,076.02/x
  3. Step 3: Cross multiply
    25,463.22x = 38,220.78 × 18,076.02
  4. Step 4: Simplify right side
    25,463.22x = 690,879,583.70
  5. Step 5: Solve for x
    x = 690,879,583.70/25,463.22
  6. Step 6: Final answer
    x = 27,132.45

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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.