Home / 25,187.36-37,772.38-10,388.66

Finding the Fourth Proportional to 25,187.36, 37,772.38 and 10,388.66

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Solution

The fourth proportional to 25,187.36, 37,772.38 and 10,388.66 is: 15,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.36 : 37,772.38 = 10,388.66 : x
  2. Step 2: Convert to fraction form
    25,187.36/37,772.38 = 10,388.66/x
  3. Step 3: Cross multiply
    25,187.36x = 37,772.38 × 10,388.66
  4. Step 4: Simplify right side
    25,187.36x = 392,404,178.90
  5. Step 5: Solve for x
    x = 392,404,178.90/25,187.36
  6. Step 6: Final answer
    x = 15,579.41

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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.