Home / 14,389.11-19,854.99-8,101.62

Finding the Fourth Proportional to 14,389.11, 19,854.99 and 8,101.62

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Solution

The fourth proportional to 14,389.11, 19,854.99 and 8,101.62 is: 11,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.11 : 19,854.99 = 8,101.62 : x
  2. Step 2: Convert to fraction form
    14,389.11/19,854.99 = 8,101.62/x
  3. Step 3: Cross multiply
    14,389.11x = 19,854.99 × 8,101.62
  4. Step 4: Simplify right side
    14,389.11x = 160,857,584.08
  5. Step 5: Solve for x
    x = 160,857,584.08/14,389.11
  6. Step 6: Final answer
    x = 11,179.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.