Home / 20,713.94-31,065.66-5,922.92

Finding the Fourth Proportional to 20,713.94, 31,065.66 and 5,922.92

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Solution

The fourth proportional to 20,713.94, 31,065.66 and 5,922.92 is: 8,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.94 : 31,065.66 = 5,922.92 : x
  2. Step 2: Convert to fraction form
    20,713.94/31,065.66 = 5,922.92/x
  3. Step 3: Cross multiply
    20,713.94x = 31,065.66 × 5,922.92
  4. Step 4: Simplify right side
    20,713.94x = 183,999,418.93
  5. Step 5: Solve for x
    x = 183,999,418.93/20,713.94
  6. Step 6: Final answer
    x = 8,882.88

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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.