Home / 13,177.80-19,768.26-4,410.76

Finding the Fourth Proportional to 13,177.80, 19,768.26 and 4,410.76

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Solution

The fourth proportional to 13,177.80, 19,768.26 and 4,410.76 is: 6,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.80 : 19,768.26 = 4,410.76 : x
  2. Step 2: Convert to fraction form
    13,177.80/19,768.26 = 4,410.76/x
  3. Step 3: Cross multiply
    13,177.80x = 19,768.26 × 4,410.76
  4. Step 4: Simplify right side
    13,177.80x = 87,193,050.48
  5. Step 5: Solve for x
    x = 87,193,050.48/13,177.80
  6. Step 6: Final answer
    x = 6,616.66

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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.