Home / 13,167.81-19,747.69-6,924.43

Finding the Fourth Proportional to 13,167.81, 19,747.69 and 6,924.43

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Solution

The fourth proportional to 13,167.81, 19,747.69 and 6,924.43 is: 10,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.81 : 19,747.69 = 6,924.43 : x
  2. Step 2: Convert to fraction form
    13,167.81/19,747.69 = 6,924.43/x
  3. Step 3: Cross multiply
    13,167.81x = 19,747.69 × 6,924.43
  4. Step 4: Simplify right side
    13,167.81x = 136,741,497.07
  5. Step 5: Solve for x
    x = 136,741,497.07/13,167.81
  6. Step 6: Final answer
    x = 10,384.53

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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.