Home / 31,507.92-47,255.27-13,966.56

Finding the Fourth Proportional to 31,507.92, 47,255.27 and 13,966.56

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Solution

The fourth proportional to 31,507.92, 47,255.27 and 13,966.56 is: 20,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.92 : 47,255.27 = 13,966.56 : x
  2. Step 2: Convert to fraction form
    31,507.92/47,255.27 = 13,966.56/x
  3. Step 3: Cross multiply
    31,507.92x = 47,255.27 × 13,966.56
  4. Step 4: Simplify right side
    31,507.92x = 659,993,493.94
  5. Step 5: Solve for x
    x = 659,993,493.94/31,507.92
  6. Step 6: Final answer
    x = 20,946.91

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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.