Home / 13,701.30-20,551.56-3,707

Finding the Fourth Proportional to 13,701.30, 20,551.56 and 3,707

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Solution

The fourth proportional to 13,701.30, 20,551.56 and 3,707 is: 5,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.30 : 20,551.56 = 3,707 : x
  2. Step 2: Convert to fraction form
    13,701.30/20,551.56 = 3,707/x
  3. Step 3: Cross multiply
    13,701.30x = 20,551.56 × 3,707
  4. Step 4: Simplify right side
    13,701.30x = 76,184,632.92
  5. Step 5: Solve for x
    x = 76,184,632.92/13,701.30
  6. Step 6: Final answer
    x = 5,560.39

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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.