Home / 26,081.11-39,124.75-8,305.56

Finding the Fourth Proportional to 26,081.11, 39,124.75 and 8,305.56

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Solution

The fourth proportional to 26,081.11, 39,124.75 and 8,305.56 is: 12,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.11 : 39,124.75 = 8,305.56 : x
  2. Step 2: Convert to fraction form
    26,081.11/39,124.75 = 8,305.56/x
  3. Step 3: Cross multiply
    26,081.11x = 39,124.75 × 8,305.56
  4. Step 4: Simplify right side
    26,081.11x = 324,953,040.10
  5. Step 5: Solve for x
    x = 324,953,040.10/26,081.11
  6. Step 6: Final answer
    x = 12,459.32

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1.5x scale

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.