Home / 16,754.99-23,121.90-9,201.80

Finding the Fourth Proportional to 16,754.99, 23,121.90 and 9,201.80

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Solution

The fourth proportional to 16,754.99, 23,121.90 and 9,201.80 is: 12,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.99 : 23,121.90 = 9,201.80 : x
  2. Step 2: Convert to fraction form
    16,754.99/23,121.90 = 9,201.80/x
  3. Step 3: Cross multiply
    16,754.99x = 23,121.90 × 9,201.80
  4. Step 4: Simplify right side
    16,754.99x = 212,763,157.22
  5. Step 5: Solve for x
    x = 212,763,157.22/16,754.99
  6. Step 6: Final answer
    x = 12,698.50

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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.