Home / 19,859.68-29,793.78-6,711.40

Finding the Fourth Proportional to 19,859.68, 29,793.78 and 6,711.40

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Solution

The fourth proportional to 19,859.68, 29,793.78 and 6,711.40 is: 10,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.68 : 29,793.78 = 6,711.40 : x
  2. Step 2: Convert to fraction form
    19,859.68/29,793.78 = 6,711.40/x
  3. Step 3: Cross multiply
    19,859.68x = 29,793.78 × 6,711.40
  4. Step 4: Simplify right side
    19,859.68x = 199,957,975.09
  5. Step 5: Solve for x
    x = 199,957,975.09/19,859.68
  6. Step 6: Final answer
    x = 10,068.54

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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.