Home / 26,449.92-39,692.16-12,600

Finding the Fourth Proportional to 26,449.92, 39,692.16 and 12,600

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Solution

The fourth proportional to 26,449.92, 39,692.16 and 12,600 is: 18,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.92 : 39,692.16 = 12,600 : x
  2. Step 2: Convert to fraction form
    26,449.92/39,692.16 = 12,600/x
  3. Step 3: Cross multiply
    26,449.92x = 39,692.16 × 12,600
  4. Step 4: Simplify right side
    26,449.92x = 500,121,216.00
  5. Step 5: Solve for x
    x = 500,121,216.00/26,449.92
  6. Step 6: Final answer
    x = 18,908.23

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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.