Home / 13,177.16-19,768.39-4,857.22

Finding the Fourth Proportional to 13,177.16, 19,768.39 and 4,857.22

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Solution

The fourth proportional to 13,177.16, 19,768.39 and 4,857.22 is: 7,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.16 : 19,768.39 = 4,857.22 : x
  2. Step 2: Convert to fraction form
    13,177.16/19,768.39 = 4,857.22/x
  3. Step 3: Cross multiply
    13,177.16x = 19,768.39 × 4,857.22
  4. Step 4: Simplify right side
    13,177.16x = 96,019,320.65
  5. Step 5: Solve for x
    x = 96,019,320.65/13,177.16
  6. Step 6: Final answer
    x = 7,286.80

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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.