Home / 15,905.18-23,857.86-4,811.84

Finding the Fourth Proportional to 15,905.18, 23,857.86 and 4,811.84

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Solution

The fourth proportional to 15,905.18, 23,857.86 and 4,811.84 is: 7,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.18 : 23,857.86 = 4,811.84 : x
  2. Step 2: Convert to fraction form
    15,905.18/23,857.86 = 4,811.84/x
  3. Step 3: Cross multiply
    15,905.18x = 23,857.86 × 4,811.84
  4. Step 4: Simplify right side
    15,905.18x = 114,800,205.06
  5. Step 5: Solve for x
    x = 114,800,205.06/15,905.18
  6. Step 6: Final answer
    x = 7,217.79

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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.