Home / 14,409.10-21,612.03-3,880.18

Finding the Fourth Proportional to 14,409.10, 21,612.03 and 3,880.18

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Solution

The fourth proportional to 14,409.10, 21,612.03 and 3,880.18 is: 5,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.10 : 21,612.03 = 3,880.18 : x
  2. Step 2: Convert to fraction form
    14,409.10/21,612.03 = 3,880.18/x
  3. Step 3: Cross multiply
    14,409.10x = 21,612.03 × 3,880.18
  4. Step 4: Simplify right side
    14,409.10x = 83,858,566.57
  5. Step 5: Solve for x
    x = 83,858,566.57/14,409.10
  6. Step 6: Final answer
    x = 5,819.83

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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.