Home / 16,769.88-23,145.30-9,700.60

Finding the Fourth Proportional to 16,769.88, 23,145.30 and 9,700.60

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Solution

The fourth proportional to 16,769.88, 23,145.30 and 9,700.60 is: 13,388.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.88 : 23,145.30 = 9,700.60 : x
  2. Step 2: Convert to fraction form
    16,769.88/23,145.30 = 9,700.60/x
  3. Step 3: Cross multiply
    16,769.88x = 23,145.30 × 9,700.60
  4. Step 4: Simplify right side
    16,769.88x = 224,523,297.18
  5. Step 5: Solve for x
    x = 224,523,297.18/16,769.88
  6. Step 6: Final answer
    x = 13,388.49

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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.