Home / 14,905.12-22,357.60-3,811.79

Finding the Fourth Proportional to 14,905.12, 22,357.60 and 3,811.79

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Solution

The fourth proportional to 14,905.12, 22,357.60 and 3,811.79 is: 5,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.12 : 22,357.60 = 3,811.79 : x
  2. Step 2: Convert to fraction form
    14,905.12/22,357.60 = 3,811.79/x
  3. Step 3: Cross multiply
    14,905.12x = 22,357.60 × 3,811.79
  4. Step 4: Simplify right side
    14,905.12x = 85,222,476.10
  5. Step 5: Solve for x
    x = 85,222,476.10/14,905.12
  6. Step 6: Final answer
    x = 5,717.66

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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.