Home / 16,621.72-22,936.38-9,169.24

Finding the Fourth Proportional to 16,621.72, 22,936.38 and 9,169.24

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Solution

The fourth proportional to 16,621.72, 22,936.38 and 9,169.24 is: 12,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.72 : 22,936.38 = 9,169.24 : x
  2. Step 2: Convert to fraction form
    16,621.72/22,936.38 = 9,169.24/x
  3. Step 3: Cross multiply
    16,621.72x = 22,936.38 × 9,169.24
  4. Step 4: Simplify right side
    16,621.72x = 210,309,172.95
  5. Step 5: Solve for x
    x = 210,309,172.95/16,621.72
  6. Step 6: Final answer
    x = 12,652.67

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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.