Home / 19,405.11-29,080.09-14,945.91

Finding the Fourth Proportional to 19,405.11, 29,080.09 and 14,945.91

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Solution

The fourth proportional to 19,405.11, 29,080.09 and 14,945.91 is: 22,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.11 : 29,080.09 = 14,945.91 : x
  2. Step 2: Convert to fraction form
    19,405.11/29,080.09 = 14,945.91/x
  3. Step 3: Cross multiply
    19,405.11x = 29,080.09 × 14,945.91
  4. Step 4: Simplify right side
    19,405.11x = 434,628,262.53
  5. Step 5: Solve for x
    x = 434,628,262.53/19,405.11
  6. Step 6: Final answer
    x = 22,397.62

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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.