Home / 26,534.13-39,792.72-8,761.48

Finding the Fourth Proportional to 26,534.13, 39,792.72 and 8,761.48

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Solution

The fourth proportional to 26,534.13, 39,792.72 and 8,761.48 is: 13,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.13 : 39,792.72 = 8,761.48 : x
  2. Step 2: Convert to fraction form
    26,534.13/39,792.72 = 8,761.48/x
  3. Step 3: Cross multiply
    26,534.13x = 39,792.72 × 8,761.48
  4. Step 4: Simplify right side
    26,534.13x = 348,643,120.43
  5. Step 5: Solve for x
    x = 348,643,120.43/26,534.13
  6. Step 6: Final answer
    x = 13,139.42

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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.