Home / 13,713.30-20,572.11-4,950.36

Finding the Fourth Proportional to 13,713.30, 20,572.11 and 4,950.36

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Solution

The fourth proportional to 13,713.30, 20,572.11 and 4,950.36 is: 7,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.30 : 20,572.11 = 4,950.36 : x
  2. Step 2: Convert to fraction form
    13,713.30/20,572.11 = 4,950.36/x
  3. Step 3: Cross multiply
    13,713.30x = 20,572.11 × 4,950.36
  4. Step 4: Simplify right side
    13,713.30x = 101,839,350.46
  5. Step 5: Solve for x
    x = 101,839,350.46/13,713.30
  6. Step 6: Final answer
    x = 7,426.32

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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.