Home / 19,313.43-28,966.49-9,446.55

Finding the Fourth Proportional to 19,313.43, 28,966.49 and 9,446.55

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Solution

The fourth proportional to 19,313.43, 28,966.49 and 9,446.55 is: 14,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.43 : 28,966.49 = 9,446.55 : x
  2. Step 2: Convert to fraction form
    19,313.43/28,966.49 = 9,446.55/x
  3. Step 3: Cross multiply
    19,313.43x = 28,966.49 × 9,446.55
  4. Step 4: Simplify right side
    19,313.43x = 273,633,396.11
  5. Step 5: Solve for x
    x = 273,633,396.11/19,313.43
  6. Step 6: Final answer
    x = 14,168.04

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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.