Home / 14,563.88-20,098.86-8,190.60

Finding the Fourth Proportional to 14,563.88, 20,098.86 and 8,190.60

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Solution

The fourth proportional to 14,563.88, 20,098.86 and 8,190.60 is: 11,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,563.88 : 20,098.86 = 8,190.60 : x
  2. Step 2: Convert to fraction form
    14,563.88/20,098.86 = 8,190.60/x
  3. Step 3: Cross multiply
    14,563.88x = 20,098.86 × 8,190.60
  4. Step 4: Simplify right side
    14,563.88x = 164,621,722.72
  5. Step 5: Solve for x
    x = 164,621,722.72/14,563.88
  6. Step 6: Final answer
    x = 11,303.42

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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.