Home / 26,531.76-39,797.67-9,891.54

Finding the Fourth Proportional to 26,531.76, 39,797.67 and 9,891.54

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Solution

The fourth proportional to 26,531.76, 39,797.67 and 9,891.54 is: 14,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.76 : 39,797.67 = 9,891.54 : x
  2. Step 2: Convert to fraction form
    26,531.76/39,797.67 = 9,891.54/x
  3. Step 3: Cross multiply
    26,531.76x = 39,797.67 × 9,891.54
  4. Step 4: Simplify right side
    26,531.76x = 393,660,244.71
  5. Step 5: Solve for x
    x = 393,660,244.71/26,531.76
  6. Step 6: Final answer
    x = 14,837.32

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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.