Home / 14,215.33-21,279.25-9,274.33

Finding the Fourth Proportional to 14,215.33, 21,279.25 and 9,274.33

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Solution

The fourth proportional to 14,215.33, 21,279.25 and 9,274.33 is: 13,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.33 : 21,279.25 = 9,274.33 : x
  2. Step 2: Convert to fraction form
    14,215.33/21,279.25 = 9,274.33/x
  3. Step 3: Cross multiply
    14,215.33x = 21,279.25 × 9,274.33
  4. Step 4: Simplify right side
    14,215.33x = 197,350,786.65
  5. Step 5: Solve for x
    x = 197,350,786.65/14,215.33
  6. Step 6: Final answer
    x = 13,882.95

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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.