Home / 13,718.96-20,562.90-6,308.12

Finding the Fourth Proportional to 13,718.96, 20,562.90 and 6,308.12

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Solution

The fourth proportional to 13,718.96, 20,562.90 and 6,308.12 is: 9,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.96 : 20,562.90 = 6,308.12 : x
  2. Step 2: Convert to fraction form
    13,718.96/20,562.90 = 6,308.12/x
  3. Step 3: Cross multiply
    13,718.96x = 20,562.90 × 6,308.12
  4. Step 4: Simplify right side
    13,718.96x = 129,713,137.93
  5. Step 5: Solve for x
    x = 129,713,137.93/13,718.96
  6. Step 6: Final answer
    x = 9,455.03

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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.