Home / 18,936.24-26,135.96-12,563.27

Finding the Fourth Proportional to 18,936.24, 26,135.96 and 12,563.27

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Solution

The fourth proportional to 18,936.24, 26,135.96 and 12,563.27 is: 17,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.24 : 26,135.96 = 12,563.27 : x
  2. Step 2: Convert to fraction form
    18,936.24/26,135.96 = 12,563.27/x
  3. Step 3: Cross multiply
    18,936.24x = 26,135.96 × 12,563.27
  4. Step 4: Simplify right side
    18,936.24x = 328,352,928.69
  5. Step 5: Solve for x
    x = 328,352,928.69/18,936.24
  6. Step 6: Final answer
    x = 17,339.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.