Home / 13,833.33-20,749.18-3,972.46

Finding the Fourth Proportional to 13,833.33, 20,749.18 and 3,972.46

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Solution

The fourth proportional to 13,833.33, 20,749.18 and 3,972.46 is: 5,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833.33 : 20,749.18 = 3,972.46 : x
  2. Step 2: Convert to fraction form
    13,833.33/20,749.18 = 3,972.46/x
  3. Step 3: Cross multiply
    13,833.33x = 20,749.18 × 3,972.46
  4. Step 4: Simplify right side
    13,833.33x = 82,425,272.13
  5. Step 5: Solve for x
    x = 82,425,272.13/13,833.33
  6. Step 6: Final answer
    x = 5,958.45

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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.