Home / 23,179.01-31,989.01-13,109.24

Finding the Fourth Proportional to 23,179.01, 31,989.01 and 13,109.24

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Solution

The fourth proportional to 23,179.01, 31,989.01 and 13,109.24 is: 18,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.01 : 31,989.01 = 13,109.24 : x
  2. Step 2: Convert to fraction form
    23,179.01/31,989.01 = 13,109.24/x
  3. Step 3: Cross multiply
    23,179.01x = 31,989.01 × 13,109.24
  4. Step 4: Simplify right side
    23,179.01x = 419,351,609.45
  5. Step 5: Solve for x
    x = 419,351,609.45/23,179.01
  6. Step 6: Final answer
    x = 18,091.87

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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.