Home / 13,250.43-19,871.69-4,364.12

Finding the Fourth Proportional to 13,250.43, 19,871.69 and 4,364.12

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Solution

The fourth proportional to 13,250.43, 19,871.69 and 4,364.12 is: 6,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.43 : 19,871.69 = 4,364.12 : x
  2. Step 2: Convert to fraction form
    13,250.43/19,871.69 = 4,364.12/x
  3. Step 3: Cross multiply
    13,250.43x = 19,871.69 × 4,364.12
  4. Step 4: Simplify right side
    13,250.43x = 86,722,318.58
  5. Step 5: Solve for x
    x = 86,722,318.58/13,250.43
  6. Step 6: Final answer
    x = 6,544.87

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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.