Home / 23,158.16-31,958.26-13,086.62

Finding the Fourth Proportional to 23,158.16, 31,958.26 and 13,086.62

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Solution

The fourth proportional to 23,158.16, 31,958.26 and 13,086.62 is: 18,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.16 : 31,958.26 = 13,086.62 : x
  2. Step 2: Convert to fraction form
    23,158.16/31,958.26 = 13,086.62/x
  3. Step 3: Cross multiply
    23,158.16x = 31,958.26 × 13,086.62
  4. Step 4: Simplify right side
    23,158.16x = 418,225,604.48
  5. Step 5: Solve for x
    x = 418,225,604.48/23,158.16
  6. Step 6: Final answer
    x = 18,059.54

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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.