Home / 13,860.63-20,794.50-4,000.68

Finding the Fourth Proportional to 13,860.63, 20,794.50 and 4,000.68

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Solution

The fourth proportional to 13,860.63, 20,794.50 and 4,000.68 is: 6,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.63 : 20,794.50 = 4,000.68 : x
  2. Step 2: Convert to fraction form
    13,860.63/20,794.50 = 4,000.68/x
  3. Step 3: Cross multiply
    13,860.63x = 20,794.50 × 4,000.68
  4. Step 4: Simplify right side
    13,860.63x = 83,192,140.26
  5. Step 5: Solve for x
    x = 83,192,140.26/13,860.63
  6. Step 6: Final answer
    x = 6,002.05

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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.