Home / 14,905.15-22,357.49-3,811.74

Finding the Fourth Proportional to 14,905.15, 22,357.49 and 3,811.74

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Solution

The fourth proportional to 14,905.15, 22,357.49 and 3,811.74 is: 5,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.15 : 22,357.49 = 3,811.74 : x
  2. Step 2: Convert to fraction form
    14,905.15/22,357.49 = 3,811.74/x
  3. Step 3: Cross multiply
    14,905.15x = 22,357.49 × 3,811.74
  4. Step 4: Simplify right side
    14,905.15x = 85,220,993.96
  5. Step 5: Solve for x
    x = 85,220,993.96/14,905.15
  6. Step 6: Final answer
    x = 5,717.55

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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.