Home / 20,749.14-31,118.97-5,957.94

Finding the Fourth Proportional to 20,749.14, 31,118.97 and 5,957.94

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Solution

The fourth proportional to 20,749.14, 31,118.97 and 5,957.94 is: 8,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.14 : 31,118.97 = 5,957.94 : x
  2. Step 2: Convert to fraction form
    20,749.14/31,118.97 = 5,957.94/x
  3. Step 3: Cross multiply
    20,749.14x = 31,118.97 × 5,957.94
  4. Step 4: Simplify right side
    20,749.14x = 185,404,956.12
  5. Step 5: Solve for x
    x = 185,404,956.12/20,749.14
  6. Step 6: Final answer
    x = 8,935.55

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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.