Home / 13,862.25-20,789.01-4,500.11

Finding the Fourth Proportional to 13,862.25, 20,789.01 and 4,500.11

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Solution

The fourth proportional to 13,862.25, 20,789.01 and 4,500.11 is: 6,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.25 : 20,789.01 = 4,500.11 : x
  2. Step 2: Convert to fraction form
    13,862.25/20,789.01 = 4,500.11/x
  3. Step 3: Cross multiply
    13,862.25x = 20,789.01 × 4,500.11
  4. Step 4: Simplify right side
    13,862.25x = 93,552,727.85
  5. Step 5: Solve for x
    x = 93,552,727.85/13,862.25
  6. Step 6: Final answer
    x = 6,748.74

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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.