Home / 25,398.54-38,100.32-8,756.38

Finding the Fourth Proportional to 25,398.54, 38,100.32 and 8,756.38

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Solution

The fourth proportional to 25,398.54, 38,100.32 and 8,756.38 is: 13,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.54 : 38,100.32 = 8,756.38 : x
  2. Step 2: Convert to fraction form
    25,398.54/38,100.32 = 8,756.38/x
  3. Step 3: Cross multiply
    25,398.54x = 38,100.32 × 8,756.38
  4. Step 4: Simplify right side
    25,398.54x = 333,620,836.26
  5. Step 5: Solve for x
    x = 333,620,836.26/25,398.54
  6. Step 6: Final answer
    x = 13,135.43

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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.