Home / 25,589.51-38,395.42-8,961.47

Finding the Fourth Proportional to 25,589.51, 38,395.42 and 8,961.47

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Solution

The fourth proportional to 25,589.51, 38,395.42 and 8,961.47 is: 13,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.51 : 38,395.42 = 8,961.47 : x
  2. Step 2: Convert to fraction form
    25,589.51/38,395.42 = 8,961.47/x
  3. Step 3: Cross multiply
    25,589.51x = 38,395.42 × 8,961.47
  4. Step 4: Simplify right side
    25,589.51x = 344,079,404.47
  5. Step 5: Solve for x
    x = 344,079,404.47/25,589.51
  6. Step 6: Final answer
    x = 13,446.11

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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.