Home / 20,713.16-31,074.66-6,674.52

Finding the Fourth Proportional to 20,713.16, 31,074.66 and 6,674.52

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Solution

The fourth proportional to 20,713.16, 31,074.66 and 6,674.52 is: 10,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.16 : 31,074.66 = 6,674.52 : x
  2. Step 2: Convert to fraction form
    20,713.16/31,074.66 = 6,674.52/x
  3. Step 3: Cross multiply
    20,713.16x = 31,074.66 × 6,674.52
  4. Step 4: Simplify right side
    20,713.16x = 207,408,439.66
  5. Step 5: Solve for x
    x = 207,408,439.66/20,713.16
  6. Step 6: Final answer
    x = 10,013.37

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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.