Home / 14,274.38-21,399.26-6,868.65

Finding the Fourth Proportional to 14,274.38, 21,399.26 and 6,868.65

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Solution

The fourth proportional to 14,274.38, 21,399.26 and 6,868.65 is: 10,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.38 : 21,399.26 = 6,868.65 : x
  2. Step 2: Convert to fraction form
    14,274.38/21,399.26 = 6,868.65/x
  3. Step 3: Cross multiply
    14,274.38x = 21,399.26 × 6,868.65
  4. Step 4: Simplify right side
    14,274.38x = 146,983,885.86
  5. Step 5: Solve for x
    x = 146,983,885.86/14,274.38
  6. Step 6: Final answer
    x = 10,297.05

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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.