Home / 14,132.40-19,504.90-8,163.60

Finding the Fourth Proportional to 14,132.40, 19,504.90 and 8,163.60

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Solution

The fourth proportional to 14,132.40, 19,504.90 and 8,163.60 is: 11,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.40 : 19,504.90 = 8,163.60 : x
  2. Step 2: Convert to fraction form
    14,132.40/19,504.90 = 8,163.60/x
  3. Step 3: Cross multiply
    14,132.40x = 19,504.90 × 8,163.60
  4. Step 4: Simplify right side
    14,132.40x = 159,230,201.64
  5. Step 5: Solve for x
    x = 159,230,201.64/14,132.40
  6. Step 6: Final answer
    x = 11,267.03

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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.