Home / 16,811.01-23,190.46-13,627.91

Finding the Fourth Proportional to 16,811.01, 23,190.46 and 13,627.91

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Solution

The fourth proportional to 16,811.01, 23,190.46 and 13,627.91 is: 18,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.01 : 23,190.46 = 13,627.91 : x
  2. Step 2: Convert to fraction form
    16,811.01/23,190.46 = 13,627.91/x
  3. Step 3: Cross multiply
    16,811.01x = 23,190.46 × 13,627.91
  4. Step 4: Simplify right side
    16,811.01x = 316,037,525.64
  5. Step 5: Solve for x
    x = 316,037,525.64/16,811.01
  6. Step 6: Final answer
    x = 18,799.44

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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.