Home / 23,177.62-31,983.36-13,107

Finding the Fourth Proportional to 23,177.62, 31,983.36 and 13,107

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Solution

The fourth proportional to 23,177.62, 31,983.36 and 13,107 is: 18,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.62 : 31,983.36 = 13,107 : x
  2. Step 2: Convert to fraction form
    23,177.62/31,983.36 = 13,107/x
  3. Step 3: Cross multiply
    23,177.62x = 31,983.36 × 13,107
  4. Step 4: Simplify right side
    23,177.62x = 419,205,899.52
  5. Step 5: Solve for x
    x = 419,205,899.52/23,177.62
  6. Step 6: Final answer
    x = 18,086.67

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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.