Home / 25,627.79-38,443.82-9,840.49

Finding the Fourth Proportional to 25,627.79, 38,443.82 and 9,840.49

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Solution

The fourth proportional to 25,627.79, 38,443.82 and 9,840.49 is: 14,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,627.79 : 38,443.82 = 9,840.49 : x
  2. Step 2: Convert to fraction form
    25,627.79/38,443.82 = 9,840.49/x
  3. Step 3: Cross multiply
    25,627.79x = 38,443.82 × 9,840.49
  4. Step 4: Simplify right side
    25,627.79x = 378,305,880.96
  5. Step 5: Solve for x
    x = 378,305,880.96/25,627.79
  6. Step 6: Final answer
    x = 14,761.55

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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.