Home / 13,393.65-20,074.68-4,623.78

Finding the Fourth Proportional to 13,393.65, 20,074.68 and 4,623.78

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Solution

The fourth proportional to 13,393.65, 20,074.68 and 4,623.78 is: 6,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.65 : 20,074.68 = 4,623.78 : x
  2. Step 2: Convert to fraction form
    13,393.65/20,074.68 = 4,623.78/x
  3. Step 3: Cross multiply
    13,393.65x = 20,074.68 × 4,623.78
  4. Step 4: Simplify right side
    13,393.65x = 92,820,903.89
  5. Step 5: Solve for x
    x = 92,820,903.89/13,393.65
  6. Step 6: Final answer
    x = 6,930.22

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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.