Home / 13,826.57-20,739.83-11,040.18

Finding the Fourth Proportional to 13,826.57, 20,739.83 and 11,040.18

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Solution

The fourth proportional to 13,826.57, 20,739.83 and 11,040.18 is: 16,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.57 : 20,739.83 = 11,040.18 : x
  2. Step 2: Convert to fraction form
    13,826.57/20,739.83 = 11,040.18/x
  3. Step 3: Cross multiply
    13,826.57x = 20,739.83 × 11,040.18
  4. Step 4: Simplify right side
    13,826.57x = 228,971,456.37
  5. Step 5: Solve for x
    x = 228,971,456.37/13,826.57
  6. Step 6: Final answer
    x = 16,560.25

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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.