Home / 13,302.66-19,951.74-3,942.48

Finding the Fourth Proportional to 13,302.66, 19,951.74 and 3,942.48

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Solution

The fourth proportional to 13,302.66, 19,951.74 and 3,942.48 is: 5,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.66 : 19,951.74 = 3,942.48 : x
  2. Step 2: Convert to fraction form
    13,302.66/19,951.74 = 3,942.48/x
  3. Step 3: Cross multiply
    13,302.66x = 19,951.74 × 3,942.48
  4. Step 4: Simplify right side
    13,302.66x = 78,659,335.92
  5. Step 5: Solve for x
    x = 78,659,335.92/13,302.66
  6. Step 6: Final answer
    x = 5,913.05

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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.