Home / 26,451.63-39,687.43-13,971.15

Finding the Fourth Proportional to 26,451.63, 39,687.43 and 13,971.15

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Solution

The fourth proportional to 26,451.63, 39,687.43 and 13,971.15 is: 20,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.63 : 39,687.43 = 13,971.15 : x
  2. Step 2: Convert to fraction form
    26,451.63/39,687.43 = 13,971.15/x
  3. Step 3: Cross multiply
    26,451.63x = 39,687.43 × 13,971.15
  4. Step 4: Simplify right side
    26,451.63x = 554,478,804.28
  5. Step 5: Solve for x
    x = 554,478,804.28/26,451.63
  6. Step 6: Final answer
    x = 20,961.99

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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.