Home / 13,674.29-20,501.16-5,786.04

Finding the Fourth Proportional to 13,674.29, 20,501.16 and 5,786.04

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Solution

The fourth proportional to 13,674.29, 20,501.16 and 5,786.04 is: 8,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.29 : 20,501.16 = 5,786.04 : x
  2. Step 2: Convert to fraction form
    13,674.29/20,501.16 = 5,786.04/x
  3. Step 3: Cross multiply
    13,674.29x = 20,501.16 × 5,786.04
  4. Step 4: Simplify right side
    13,674.29x = 118,620,531.81
  5. Step 5: Solve for x
    x = 118,620,531.81/13,674.29
  6. Step 6: Final answer
    x = 8,674.71

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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.