Home / 13,708.31-20,562.53-4,936.95

Finding the Fourth Proportional to 13,708.31, 20,562.53 and 4,936.95

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Solution

The fourth proportional to 13,708.31, 20,562.53 and 4,936.95 is: 7,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.31 : 20,562.53 = 4,936.95 : x
  2. Step 2: Convert to fraction form
    13,708.31/20,562.53 = 4,936.95/x
  3. Step 3: Cross multiply
    13,708.31x = 20,562.53 × 4,936.95
  4. Step 4: Simplify right side
    13,708.31x = 101,516,157.80
  5. Step 5: Solve for x
    x = 101,516,157.80/13,708.31
  6. Step 6: Final answer
    x = 7,405.45

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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.