Home / 25,540.86-38,301.81-8,896.62

Finding the Fourth Proportional to 25,540.86, 38,301.81 and 8,896.62

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Solution

The fourth proportional to 25,540.86, 38,301.81 and 8,896.62 is: 13,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.86 : 38,301.81 = 8,896.62 : x
  2. Step 2: Convert to fraction form
    25,540.86/38,301.81 = 8,896.62/x
  3. Step 3: Cross multiply
    25,540.86x = 38,301.81 × 8,896.62
  4. Step 4: Simplify right side
    25,540.86x = 340,756,648.88
  5. Step 5: Solve for x
    x = 340,756,648.88/25,540.86
  6. Step 6: Final answer
    x = 13,341.63

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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.