Home / 25,814.25-38,698.43-9,172.08

Finding the Fourth Proportional to 25,814.25, 38,698.43 and 9,172.08

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Solution

The fourth proportional to 25,814.25, 38,698.43 and 9,172.08 is: 13,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.25 : 38,698.43 = 9,172.08 : x
  2. Step 2: Convert to fraction form
    25,814.25/38,698.43 = 9,172.08/x
  3. Step 3: Cross multiply
    25,814.25x = 38,698.43 × 9,172.08
  4. Step 4: Simplify right side
    25,814.25x = 354,945,049.97
  5. Step 5: Solve for x
    x = 354,945,049.97/25,814.25
  6. Step 6: Final answer
    x = 13,749.97

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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.