Home / 26,635.13-39,959.19-8,865.75

Finding the Fourth Proportional to 26,635.13, 39,959.19 and 8,865.75

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Solution

The fourth proportional to 26,635.13, 39,959.19 and 8,865.75 is: 13,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.13 : 39,959.19 = 8,865.75 : x
  2. Step 2: Convert to fraction form
    26,635.13/39,959.19 = 8,865.75/x
  3. Step 3: Cross multiply
    26,635.13x = 39,959.19 × 8,865.75
  4. Step 4: Simplify right side
    26,635.13x = 354,268,188.74
  5. Step 5: Solve for x
    x = 354,268,188.74/26,635.13
  6. Step 6: Final answer
    x = 13,300.79

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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.