Home / 13,813.18-20,719.86-5,044.66

Finding the Fourth Proportional to 13,813.18, 20,719.86 and 5,044.66

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Solution

The fourth proportional to 13,813.18, 20,719.86 and 5,044.66 is: 7,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.18 : 20,719.86 = 5,044.66 : x
  2. Step 2: Convert to fraction form
    13,813.18/20,719.86 = 5,044.66/x
  3. Step 3: Cross multiply
    13,813.18x = 20,719.86 × 5,044.66
  4. Step 4: Simplify right side
    13,813.18x = 104,524,648.95
  5. Step 5: Solve for x
    x = 104,524,648.95/13,813.18
  6. Step 6: Final answer
    x = 7,567.02

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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.