Home / 13,425.93-20,133.72-5,101.56

Finding the Fourth Proportional to 13,425.93, 20,133.72 and 5,101.56

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Solution

The fourth proportional to 13,425.93, 20,133.72 and 5,101.56 is: 7,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.93 : 20,133.72 = 5,101.56 : x
  2. Step 2: Convert to fraction form
    13,425.93/20,133.72 = 5,101.56/x
  3. Step 3: Cross multiply
    13,425.93x = 20,133.72 × 5,101.56
  4. Step 4: Simplify right side
    13,425.93x = 102,713,380.60
  5. Step 5: Solve for x
    x = 102,713,380.60/13,425.93
  6. Step 6: Final answer
    x = 7,650.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.