Home / 26,534.36-39,801.27-12,485.36

Finding the Fourth Proportional to 26,534.36, 39,801.27 and 12,485.36

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Solution

The fourth proportional to 26,534.36, 39,801.27 and 12,485.36 is: 18,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.36 : 39,801.27 = 12,485.36 : x
  2. Step 2: Convert to fraction form
    26,534.36/39,801.27 = 12,485.36/x
  3. Step 3: Cross multiply
    26,534.36x = 39,801.27 × 12,485.36
  4. Step 4: Simplify right side
    26,534.36x = 496,933,184.41
  5. Step 5: Solve for x
    x = 496,933,184.41/26,534.36
  6. Step 6: Final answer
    x = 18,727.91

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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.