Home / 14,511.96-20,003.22-9,788.04

Finding the Fourth Proportional to 14,511.96, 20,003.22 and 9,788.04

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Solution

The fourth proportional to 14,511.96, 20,003.22 and 9,788.04 is: 13,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.96 : 20,003.22 = 9,788.04 : x
  2. Step 2: Convert to fraction form
    14,511.96/20,003.22 = 9,788.04/x
  3. Step 3: Cross multiply
    14,511.96x = 20,003.22 × 9,788.04
  4. Step 4: Simplify right side
    14,511.96x = 195,792,317.49
  5. Step 5: Solve for x
    x = 195,792,317.49/14,511.96
  6. Step 6: Final answer
    x = 13,491.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.