Home / 25,423.93-38,105.65-19,163.31

Finding the Fourth Proportional to 25,423.93, 38,105.65 and 19,163.31

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Solution

The fourth proportional to 25,423.93, 38,105.65 and 19,163.31 is: 28,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.93 : 38,105.65 = 19,163.31 : x
  2. Step 2: Convert to fraction form
    25,423.93/38,105.65 = 19,163.31/x
  3. Step 3: Cross multiply
    25,423.93x = 38,105.65 × 19,163.31
  4. Step 4: Simplify right side
    25,423.93x = 730,230,383.70
  5. Step 5: Solve for x
    x = 730,230,383.70/25,423.93
  6. Step 6: Final answer
    x = 28,722.17

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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.