Home / 14,881.20-22,321.80-4,491.60

Finding the Fourth Proportional to 14,881.20, 22,321.80 and 4,491.60

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Solution

The fourth proportional to 14,881.20, 22,321.80 and 4,491.60 is: 6,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,881.20 : 22,321.80 = 4,491.60 : x
  2. Step 2: Convert to fraction form
    14,881.20/22,321.80 = 4,491.60/x
  3. Step 3: Cross multiply
    14,881.20x = 22,321.80 × 4,491.60
  4. Step 4: Simplify right side
    14,881.20x = 100,260,596.88
  5. Step 5: Solve for x
    x = 100,260,596.88/14,881.20
  6. Step 6: Final answer
    x = 6,737.40

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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.