Home / 15,310.81-22,966.21-4,922.56

Finding the Fourth Proportional to 15,310.81, 22,966.21 and 4,922.56

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Solution

The fourth proportional to 15,310.81, 22,966.21 and 4,922.56 is: 7,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.81 : 22,966.21 = 4,922.56 : x
  2. Step 2: Convert to fraction form
    15,310.81/22,966.21 = 4,922.56/x
  3. Step 3: Cross multiply
    15,310.81x = 22,966.21 × 4,922.56
  4. Step 4: Simplify right side
    15,310.81x = 113,052,419.56
  5. Step 5: Solve for x
    x = 113,052,419.56/15,310.81
  6. Step 6: Final answer
    x = 7,383.83

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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.