Home / 23,157.15-31,958.12-13,086.02

Finding the Fourth Proportional to 23,157.15, 31,958.12 and 13,086.02

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Solution

The fourth proportional to 23,157.15, 31,958.12 and 13,086.02 is: 18,059.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.15 : 31,958.12 = 13,086.02 : x
  2. Step 2: Convert to fraction form
    23,157.15/31,958.12 = 13,086.02/x
  3. Step 3: Cross multiply
    23,157.15x = 31,958.12 × 13,086.02
  4. Step 4: Simplify right side
    23,157.15x = 418,204,597.48
  5. Step 5: Solve for x
    x = 418,204,597.48/23,157.15
  6. Step 6: Final answer
    x = 18,059.42

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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.