Home / 25,717.71-38,579.67-9,074.33

Finding the Fourth Proportional to 25,717.71, 38,579.67 and 9,074.33

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Solution

The fourth proportional to 25,717.71, 38,579.67 and 9,074.33 is: 13,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.71 : 38,579.67 = 9,074.33 : x
  2. Step 2: Convert to fraction form
    25,717.71/38,579.67 = 9,074.33/x
  3. Step 3: Cross multiply
    25,717.71x = 38,579.67 × 9,074.33
  4. Step 4: Simplify right side
    25,717.71x = 350,084,463.97
  5. Step 5: Solve for x
    x = 350,084,463.97/25,717.71
  6. Step 6: Final answer
    x = 13,612.58

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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.