Home / 19,923.71-29,889.61-8,236.92

Finding the Fourth Proportional to 19,923.71, 29,889.61 and 8,236.92

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Solution

The fourth proportional to 19,923.71, 29,889.61 and 8,236.92 is: 12,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.71 : 29,889.61 = 8,236.92 : x
  2. Step 2: Convert to fraction form
    19,923.71/29,889.61 = 8,236.92/x
  3. Step 3: Cross multiply
    19,923.71x = 29,889.61 × 8,236.92
  4. Step 4: Simplify right side
    19,923.71x = 246,198,417.89
  5. Step 5: Solve for x
    x = 246,198,417.89/19,923.71
  6. Step 6: Final answer
    x = 12,357.06

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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.