Home / 34,122.71-51,188.39-13,343.51

Finding the Fourth Proportional to 34,122.71, 51,188.39 and 13,343.51

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Solution

The fourth proportional to 34,122.71, 51,188.39 and 13,343.51 is: 20,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,122.71 : 51,188.39 = 13,343.51 : x
  2. Step 2: Convert to fraction form
    34,122.71/51,188.39 = 13,343.51/x
  3. Step 3: Cross multiply
    34,122.71x = 51,188.39 × 13,343.51
  4. Step 4: Simplify right side
    34,122.71x = 683,032,793.85
  5. Step 5: Solve for x
    x = 683,032,793.85/34,122.71
  6. Step 6: Final answer
    x = 20,016.96

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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.